6408170664 has 32 divisors (see below), whose sum is σ = 18309059520. Its totient is φ = 1830905856.

The previous prime is 6408170663. The next prime is 6408170683. The reversal of 6408170664 is 4660718046.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6408170663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19071769 + ... + 19072104.

It is an arithmetic number, because the mean of its divisors is an integer number (572158110).

Almost surely, 2^6408170664 is an apocalyptic number.

It is an amenable number.

6408170664 is an abundant number, since it is smaller than the sum of its proper divisors (11900888856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6408170664 is a wasteful number, since it uses less digits than its factorization.

6408170664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38143889 (or 38143885 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 6408170664 is about 80051.0503616286. The cubic root of 6408170664 is about 1857.4252987595.

The spelling of 6408170664 in words is "six billion, four hundred eight million, one hundred seventy thousand, six hundred sixty-four".