191252016 has 50 divisors (see below), whose sum is σ = 553542572. Its totient is φ = 63750240.

The previous prime is 191251997. The next prime is 191252027. The reversal of 191252016 is 610252191.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 72490 + ... + 75081.

Almost surely, 2^191252016 is an apocalyptic number.

191252016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

191252016 is an abundant number, since it is smaller than the sum of its proper divisors (362290556).

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

191252016 is a wasteful number, since it uses less digits than its factorization.

191252016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147591 (or 147576 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 191252016 is about 13829.3895743811. The cubic root of 191252016 is about 576.1497006732.

The spelling of 191252016 in words is "one hundred ninety-one million, two hundred fifty-two thousand, sixteen".