1536645142164 has 48 divisors (see below), whose sum is σ = 3914256729600. Its totient is φ = 465317142240.

The previous prime is 1536645142133. The next prime is 1536645142187. The reversal of 1536645142164 is 4612415466351.

It is a super-2 number, since 2×1536645142164² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3975894 + ... + 4345229.

It is an arithmetic number, because the mean of its divisors is an integer number (81547015200).

Almost surely, 2^{1536645142164} is an apocalyptic number.

It is an amenable number.

1536645142164 is an abundant number, since it is smaller than the sum of its proper divisors (2377611587436).

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

1536645142164 is a wasteful number, since it uses less digits than its factorization.

1536645142164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322540 (or 8322538 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 1536645142164 in words is "one trillion, five hundred thirty-six billion, six hundred forty-five million, one hundred forty-two thousand, one hundred sixty-four".