1521625165960 has 32 divisors (see below), whose sum is σ = 3448287259200. Its totient is φ = 604271286720.

The previous prime is 1521625165939. The next prime is 1521625165967. The reversal of 1521625165960 is 695615261251.

It is not an unprimeable number, because it can be changed into a prime (1521625165967) by changing a digit.

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, 136831236 + ... + 136842355.

It is an arithmetic number, because the mean of its divisors is an integer number (107758976850).

Almost surely, 2^{1521625165960} is an apocalyptic number.

1521625165960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1521625165960 is an abundant number, since it is smaller than the sum of its proper divisors (1926662093240).

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

1521625165960 is a wasteful number, since it uses less digits than its factorization.

1521625165960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273673741 (or 273673737 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 1521625165960 in words is "one trillion, five hundred twenty-one billion, six hundred twenty-five million, one hundred sixty-five thousand, nine hundred sixty".