6145207164 has 36 divisors (see below), whose sum is σ = 16351284040. Its totient is φ = 1940591520.

The previous prime is 6145207163. The next prime is 6145207171. The reversal of 6145207164 is 4617025416.

6145207164 is a `hidden beast` number, since 6 + 1 + 4 + 520 + 71 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6145207163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4491427 + ... + 4492794.

Almost surely, 2^6145207164 is an apocalyptic number.

It is an amenable number.

6145207164 is an abundant number, since it is smaller than the sum of its proper divisors (10206076876).

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

6145207164 is a wasteful number, since it uses less digits than its factorization.

6145207164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984250 (or 8984245 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6145207164 is about 78391.3717445995. The cubic root of 6145207164 is about 1831.6627331662.

The spelling of 6145207164 in words is "six billion, one hundred forty-five million, two hundred seven thousand, one hundred sixty-four".