1520996604336 has 100 divisors (see below), whose sum is σ = 4802405990184. Its totient is φ = 460908057600.

The previous prime is 1520996604331. The next prime is 1520996604349. The reversal of 1520996604336 is 6334066990251.

1520996604336 is a `hidden beast` number, since 1 + 5 + 20 + 9 + 9 + 6 + 604 + 3 + 3 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1520996604331) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53331585 + ... + 53360096.

Almost surely, 2^{1520996604336} is an apocalyptic number.

1520996604336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1520996604336 is an abundant number, since it is smaller than the sum of its proper divisors (3281409385848).

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

1520996604336 is a wasteful number, since it uses less digits than its factorization.

1520996604336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106691712 (or 106691697 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 1520996604336 in words is "one trillion, five hundred twenty billion, nine hundred ninety-six million, six hundred four thousand, three hundred thirty-six".