84156606051 has 32 divisors (see below), whose sum is σ = 129338388480. Its totient is φ = 47678035104.

The previous prime is 84156606031. The next prime is 84156606071. The reversal of 84156606051 is 15060665148.

It is an interprime number because it is at equal distance from previous prime (84156606031) and next prime (84156606071).

It is not a de Polignac number, because 84156606051 - 2⁵ = 84156606019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84156605994 and 84156606012.

It is not an unprimeable number, because it can be changed into a prime (84156606011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2149416 + ... + 2188218.

It is an arithmetic number, because the mean of its divisors is an integer number (4041824640).

Almost surely, 2^84156606051 is an apocalyptic number.

84156606051 is a deficient number, since it is larger than the sum of its proper divisors (45181782429).

84156606051 is a wasteful number, since it uses less digits than its factorization.

84156606051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39695.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 84156606051 in words is "eighty-four billion, one hundred fifty-six million, six hundred six thousand, fifty-one".