46640814664 has 8 divisors (see below), whose sum is σ = 87451527510. Its totient is φ = 23320407328.

The previous prime is 46640814607. The next prime is 46640814667. The reversal of 46640814664 is 46641804664.

It can be written as a sum of positive squares in only one way, i.e., 38765672100 + 7875142564 = 196890^2 + 88742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (46640814667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2915050909 + ... + 2915050924.

Almost surely, 2^46640814664 is an apocalyptic number.

It is an amenable number.

46640814664 is a deficient number, since it is larger than the sum of its proper divisors (40810712846).

46640814664 is a wasteful number, since it uses less digits than its factorization.

46640814664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830101839 (or 5830101835 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 49.

The spelling of 46640814664 in words is "forty-six billion, six hundred forty million, eight hundred fourteen thousand, six hundred sixty-four".