64347151536 has 60 divisors (see below), whose sum is σ = 181765712232. Its totient is φ = 21248587008.

The previous prime is 64347151487. The next prime is 64347151541. The reversal of 64347151536 is 63515174346.

64347151536 is a `hidden beast` number, since 6 + 4 + 34 + 71 + 515 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64347151491 and 64347151500.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2072701 + ... + 2103516.

Almost surely, 2^64347151536 is an apocalyptic number.

It is an amenable number.

64347151536 is an abundant number, since it is smaller than the sum of its proper divisors (117418560696).

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

64347151536 is a wasteful number, since it uses less digits than its factorization.

64347151536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176338 (or 4176329 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 64347151536 in words is "sixty-four billion, three hundred forty-seven million, one hundred fifty-one thousand, five hundred thirty-six".