64161764470 has 16 divisors (see below), whose sum is σ = 115660282320. Its totient is φ = 25627126624.

The previous prime is 64161764467. The next prime is 64161764507. The reversal of 64161764470 is 7446716146.

It is a self number, because there is not a number n which added to its sum of digits gives 64161764470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4690225 + ... + 4703884.

It is an arithmetic number, because the mean of its divisors is an integer number (7228767645).

Almost surely, 2^64161764470 is an apocalyptic number.

64161764470 is a deficient number, since it is larger than the sum of its proper divisors (51498517850).

64161764470 is a wasteful number, since it uses less digits than its factorization.

64161764470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9394799.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 64161764470 in words is "sixty-four billion, one hundred sixty-one million, seven hundred sixty-four thousand, four hundred seventy".