65106642156 has 48 divisors (see below), whose sum is σ = 159436940544. Its totient is φ = 20638632256.

The previous prime is 65106642079. The next prime is 65106642157. The reversal of 65106642156 is 65124660156.

It is not an unprimeable number, because it can be changed into a prime (65106642157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634026 + ... + 729521.

It is an arithmetic number, because the mean of its divisors is an integer number (3321602928).

Almost surely, 2^65106642156 is an apocalyptic number.

It is an amenable number.

65106642156 is an abundant number, since it is smaller than the sum of its proper divisors (94330298388).

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

65106642156 is a wasteful number, since it uses less digits than its factorization.

65106642156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363750 (or 1363748 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 65106642156 in words is "sixty-five billion, one hundred six million, six hundred forty-two thousand, one hundred fifty-six".