215151316 has 12 divisors (see below), whose sum is σ = 377847232. Its totient is φ = 107194968.

The previous prime is 215151301. The next prime is 215151329. The reversal of 215151316 is 613151512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93900 + ... + 96163.

Almost surely, 2^215151316 is an apocalyptic number.

It is an amenable number.

215151316 is a deficient number, since it is larger than the sum of its proper divisors (162695916).

215151316 is a wasteful number, since it uses less digits than its factorization.

215151316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190350 (or 190348 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 215151316 is about 14668.0372238415. The cubic root of 215151316 is about 599.2131500445.

The spelling of 215151316 in words is "two hundred fifteen million, one hundred fifty-one thousand, three hundred sixteen".