4157664560164 has 6 divisors (see below), whose sum is σ = 7275912980294. Its totient is φ = 2078832280080.

The previous prime is 4157664560143. The next prime is 4157664560171. The reversal of 4157664560164 is 4610654667514.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2205943798564 + 1951720761600 = 1485242^2 + 1397040^2 .

It is a super-3 number, since 3×4157664560164³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519708070017 + ... + 519708070024.

Almost surely, 2^{4157664560164} is an apocalyptic number.

It is an amenable number.

4157664560164 is a deficient number, since it is larger than the sum of its proper divisors (3118248420130).

4157664560164 is a wasteful number, since it uses less digits than its factorization.

4157664560164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039416140045 (or 1039416140043 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 4157664560164 in words is "four trillion, one hundred fifty-seven billion, six hundred sixty-four million, five hundred sixty thousand, one hundred sixty-four".