64006464146551 has 16 divisors (see below), whose sum is σ = 64669244421600. Its totient is φ = 63346714190848.

The previous prime is 64006464146423. The next prime is 64006464146567. The reversal of 64006464146551 is 15564146460046.

It is a cyclic number.

It is not a de Polignac number, because 64006464146551 - 2⁷ = 64006464146423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64006464146591) 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, 88787865 + ... + 89505853.

It is an arithmetic number, because the mean of its divisors is an integer number (4041827776350).

Almost surely, 2^{64006464146551} is an apocalyptic number.

64006464146551 is a deficient number, since it is larger than the sum of its proper divisors (662780275049).

64006464146551 is a wasteful number, since it uses less digits than its factorization.

64006464146551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720098.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 64006464146551 in words is "sixty-four trillion, six billion, four hundred sixty-four million, one hundred forty-six thousand, five hundred fifty-one".