2116426526154 has 12 divisors (see below), whose sum is σ = 4585590806706. Its totient is φ = 705475508712.

The previous prime is 2116426526129. The next prime is 2116426526231. The reversal of 2116426526154 is 4516256246112.

2116426526154 is a `hidden beast` number, since 2 + 1 + 1 + 6 + 4 + 26 + 5 + 2 + 615 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1533077330625 + 583349195529 = 1238175^2 + 763773^2 .

It is a super-2 number, since 2×2116426526154² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58789625709 + ... + 58789625744.

Almost surely, 2^{2116426526154} is an apocalyptic number.

2116426526154 is an abundant number, since it is smaller than the sum of its proper divisors (2469164280552).

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

2116426526154 is a wasteful number, since it uses less digits than its factorization.

2116426526154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117579251461 (or 117579251458 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 2116426526154 in words is "two trillion, one hundred sixteen billion, four hundred twenty-six million, five hundred twenty-six thousand, one hundred fifty-four".