2137456162520 has 64 divisors (see below), whose sum is σ = 5527021651200. Its totient is φ = 728748005760.

The previous prime is 2137456162481. The next prime is 2137456162579. The reversal of 2137456162520 is 252616547312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21273266 + ... + 21373505.

It is an arithmetic number, because the mean of its divisors is an integer number (86359713300).

Almost surely, 2^{2137456162520} is an apocalyptic number.

2137456162520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2137456162520 is an abundant number, since it is smaller than the sum of its proper divisors (3389565488680).

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

2137456162520 is a wasteful number, since it uses less digits than its factorization.

2137456162520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42646968 (or 42646964 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 2137456162520 in words is "two trillion, one hundred thirty-seven billion, four hundred fifty-six million, one hundred sixty-two thousand, five hundred twenty".