1512297216 has 90 divisors (see below), whose sum is σ = 4509458492. Its totient is φ = 504092160.

The previous prime is 1512297209. The next prime is 1512297217. The reversal of 1512297216 is 6127922151.

1512297216 is a `hidden beast` number, since 151 + 2 + 297 + 216 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1512297217) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15730 + ... + 57201.

Almost surely, 2^1512297216 is an apocalyptic number.

1512297216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1512297216 is an abundant number, since it is smaller than the sum of its proper divisors (2997161276).

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

1512297216 is an frugal number, since it uses more digits than its factorization.

1512297216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72959 (or 72936 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 1512297216 is about 38888.2657880240. The cubic root of 1512297216 is about 1147.8339102593.

The spelling of 1512297216 in words is "one billion, five hundred twelve million, two hundred ninety-seven thousand, two hundred sixteen".