6164742531 has 24 divisors (see below), whose sum is σ = 8495511024. Its totient is φ = 3976179840.

The previous prime is 6164742461. The next prime is 6164742547. The reversal of 6164742531 is 1352474616.

It is a happy number.

6164742531 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6164742531 - 2⁷ = 6164742403 is a prime.

It is a super-2 number, since 2×6164742531² = 76008100947040571922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6164742531.

It is not an unprimeable number, because it can be changed into a prime (6164742131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739221 + ... + 747513.

It is an arithmetic number, because the mean of its divisors is an integer number (353979626).

Almost surely, 2^6164742531 is an apocalyptic number.

6164742531 is a deficient number, since it is larger than the sum of its proper divisors (2330768493).

6164742531 is a wasteful number, since it uses less digits than its factorization.

6164742531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551 (or 8514 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 6164742531 is about 78515.8743885592. The cubic root of 6164742531 is about 1833.6016075254.

The spelling of 6164742531 in words is "six billion, one hundred sixty-four million, seven hundred forty-two thousand, five hundred thirty-one".