1066351494 has 16 divisors (see below), whose sum is σ = 2296757232. Its totient is φ = 328108128.

The previous prime is 1066351487. The next prime is 1066351511. The reversal of 1066351494 is 4941536601.

It is a super-2 number, since 2×1066351494² = 2274211017512064072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6835509 + ... + 6835664.

It is an arithmetic number, because the mean of its divisors is an integer number (143547327).

Almost surely, 2^1066351494 is an apocalyptic number.

1066351494 is an abundant number, since it is smaller than the sum of its proper divisors (1230405738).

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

1066351494 is a wasteful number, since it uses less digits than its factorization.

1066351494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13671191.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1066351494 is about 32655.0378042960. The cubic root of 1066351494 is about 1021.6452667002.

The spelling of 1066351494 in words is "one billion, sixty-six million, three hundred fifty-one thousand, four hundred ninety-four".