64545529147092 has 120 divisors (see below), whose sum is σ = 192844118041344. Its totient is φ = 18441160031808.

The previous prime is 64545529147081. The next prime is 64545529147109. The reversal of 64545529147092 is 29074192554546.

It is a happy number.

64545529147092 is a `hidden beast` number, since 6 + 4 + 5 + 4 + 5 + 529 + 14 + 7 + 0 + 92 = 666.

It is a super-2 number, since 2×64545529147092² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 107218918 + ... + 107819234.

Almost surely, 2^{64545529147092} is an apocalyptic number.

It is an amenable number.

64545529147092 is an abundant number, since it is smaller than the sum of its proper divisors (128298588894252).

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

64545529147092 is a wasteful number, since it uses less digits than its factorization.

64545529147092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647747 (or 647736 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 64545529147092 in words is "sixty-four trillion, five hundred forty-five billion, five hundred twenty-nine million, one hundred forty-seven thousand, ninety-two".