1499167494 has 72 divisors (see below), whose sum is σ = 3669539160. Its totient is φ = 453344760.

The previous prime is 1499167463. The next prime is 1499167513. The reversal of 1499167494 is 4947619941.

1499167494 is a `hidden beast` number, since 1 + 4 + 9 + 91 + 67 + 494 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1499167494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3129547 + ... + 3130025.

Almost surely, 2^1499167494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1499167494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834769580).

1499167494 is an abundant number, since it is smaller than the sum of its proper divisors (2170371666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1499167494 is an equidigital number, since it uses as much as digits as its factorization.

1499167494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 495 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 1499167494 is about 38719.0843641737. The cubic root of 1499167494 is about 1144.5024297017.

Multiplying 1499167494 by its sum of digits (54), we get a square (80955044676 = 284526²).

1499167494 divided by its sum of digits (54) gives a square (27762361 = 5269²).

The spelling of 1499167494 in words is "one billion, four hundred ninety-nine million, one hundred sixty-seven thousand, four hundred ninety-four".