64161064432506 has 8 divisors (see below), whose sum is σ = 128322128865024. Its totient is φ = 21387021477500.

The previous prime is 64161064432489. The next prime is 64161064432547. The reversal of 64161064432506 is 60523446016146.

It is a sphenic number, since it is the product of 3 distinct primes.

64161064432506 is an admirable number.

It is a super-2 number, since 2×64161064432506² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5346755369370 + ... + 5346755369381.

It is an arithmetic number, because the mean of its divisors is an integer number (16040266108128).

Almost surely, 2^{64161064432506} is an apocalyptic number.

64161064432506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64161064432506 is a wasteful number, since it uses less digits than its factorization.

64161064432506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693510738756.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 64161064432506 in words is "sixty-four trillion, one hundred sixty-one billion, sixty-four million, four hundred thirty-two thousand, five hundred six".