2051422062156 has 36 divisors (see below), whose sum is σ = 5410997325552. Its totient is φ = 654076599264.

The previous prime is 2051422062149. The next prime is 2051422062181. The reversal of 2051422062156 is 6512602241502.

2051422062156 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 4 + 2 + 20 + 621 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2051422062156.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1238780611 + ... + 1238782266.

Almost surely, 2^{2051422062156} is an apocalyptic number.

It is an amenable number.

2051422062156 is an abundant number, since it is smaller than the sum of its proper divisors (3359575263396).

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

2051422062156 is a wasteful number, since it uses less digits than its factorization.

2051422062156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477562910 (or 2477562905 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 2051422062156 in words is "two trillion, fifty-one billion, four hundred twenty-two million, sixty-two thousand, one hundred fifty-six".