664711477046115 has 128 divisors (see below), whose sum is σ = 1147751549632512. Its totient is φ = 327538289295360.

The previous prime is 664711477046101. The next prime is 664711477046131. The reversal of 664711477046115 is 511640774117466.

It is not a de Polignac number, because 664711477046115 - 2¹⁸ = 664711476783971 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32413871692 + ... + 32413892198.

It is an arithmetic number, because the mean of its divisors is an integer number (8966808981504).

Almost surely, 2^{664711477046115} is an apocalyptic number.

664711477046115 is a deficient number, since it is larger than the sum of its proper divisors (483040072586397).

664711477046115 is a wasteful number, since it uses less digits than its factorization.

664711477046115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26169.

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 664711477046115 in words is "six hundred sixty-four trillion, seven hundred eleven billion, four hundred seventy-seven million, forty-six thousand, one hundred fifteen".