191026912 has 24 divisors (see below), whose sum is σ = 395879400. Its totient is φ = 90486144.

The previous prime is 191026903. The next prime is 191026921. The reversal of 191026912 is 219620191.

191026912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (191026903) and next prime (191026921).

It is a super-2 number, since 2×191026912² = 72982562216511488, which contains 22 as substring.

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, 156487 + ... + 157702.

It is an arithmetic number, because the mean of its divisors is an integer number (16494975).

Almost surely, 2^191026912 is an apocalyptic number.

It is an amenable number.

191026912 is an abundant number, since it is smaller than the sum of its proper divisors (204852488).

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

191026912 is a wasteful number, since it uses less digits than its factorization.

191026912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314218 (or 314210 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 191026912 is about 13821.2485687799. The cubic root of 191026912 is about 575.9235688195.

The spelling of 191026912 in words is "one hundred ninety-one million, twenty-six thousand, nine hundred twelve".