64125652146 has 16 divisors (see below), whose sum is σ = 128270299008. Its totient is φ = 21372051600.

The previous prime is 64125652127. The next prime is 64125652183.

64125652146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64125652146² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64125652098 and 64125652107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747370 + ... + 828741.

It is an arithmetic number, because the mean of its divisors is an integer number (8016893688).

Almost surely, 2^64125652146 is an apocalyptic number.

64125652146 is an abundant number, since it is smaller than the sum of its proper divisors (64144646862).

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

64125652146 is a wasteful number, since it uses less digits than its factorization.

64125652146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582897.

The product of its digits is 345600, while the sum is 42.

The spelling of 64125652146 in words is "sixty-four billion, one hundred twenty-five million, six hundred fifty-two thousand, one hundred forty-six".