1299163476 has 96 divisors (see below), whose sum is σ = 3325069440. Its totient is φ = 392403456.

The previous prime is 1299163471. The next prime is 1299163483. The reversal of 1299163476 is 6743619921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299163471) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3482826 + ... + 3483198.

It is an arithmetic number, because the mean of its divisors is an integer number (34636140).

Almost surely, 2^1299163476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1299163476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662534720).

1299163476 is an abundant number, since it is smaller than the sum of its proper divisors (2025905964).

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

1299163476 is a wasteful number, since it uses less digits than its factorization.

1299163476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 743 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 1299163476 is about 36043.9103871930. The cubic root of 1299163476 is about 1091.1587363335.

It can be divided in two parts, 12991 and 63476, that added together give a palindrome (76467).

The spelling of 1299163476 in words is "one billion, two hundred ninety-nine million, one hundred sixty-three thousand, four hundred seventy-six".