216150157 has 4 divisors (see below), whose sum is σ = 217270300. Its totient is φ = 215030016.

The previous prime is 216150127. The next prime is 216150191. The reversal of 216150157 is 751051612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113614281 + 102535876 = 10659^2 + 10126^2 .

It is a cyclic number.

It is not a de Polignac number, because 216150157 - 2⁷ = 216150029 is a prime.

It is a super-2 number, since 2×216150157² = 93441780742249298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216150127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559782 + ... + 560167.

It is an arithmetic number, because the mean of its divisors is an integer number (54317575).

Almost surely, 2^216150157 is an apocalyptic number.

It is an amenable number.

216150157 is a deficient number, since it is larger than the sum of its proper divisors (1120143).

216150157 is a wasteful number, since it uses less digits than its factorization.

216150157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120142.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 216150157 is about 14702.0460140757. The cubic root of 216150157 is about 600.1390020542.

The spelling of 216150157 in words is "two hundred sixteen million, one hundred fifty thousand, one hundred fifty-seven".