1516645164 has 24 divisors (see below), whose sum is σ = 3565856448. Its totient is φ = 501688720.

The previous prime is 1516645159. The next prime is 1516645171. The reversal of 1516645164 is 4615466151.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480822 + ... + 483965.

It is an arithmetic number, because the mean of its divisors is an integer number (148577352).

Almost surely, 2^1516645164 is an apocalyptic number.

It is an amenable number.

1516645164 is an abundant number, since it is smaller than the sum of its proper divisors (2049211284).

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

1516645164 is a wasteful number, since it uses less digits than its factorization.

1516645164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964925 (or 964923 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 1516645164 is about 38944.1287487601. The cubic root of 1516645164 is about 1148.9328888746.

The spelling of 1516645164 in words is "one billion, five hundred sixteen million, six hundred forty-five thousand, one hundred sixty-four".