191472251650 has 48 divisors (see below), whose sum is σ = 357575399424. Its totient is φ = 76280449280.

The previous prime is 191472251609. The next prime is 191472251653. The reversal of 191472251650 is 56152274191.

It is a junction number, because it is equal to n+sod(n) for n = 191472251597 and 191472251606.

It is not an unprimeable number, because it can be changed into a prime (191472251653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14221722 + ... + 14235178.

It is an arithmetic number, because the mean of its divisors is an integer number (7449487488).

Almost surely, 2^191472251650 is an apocalyptic number.

191472251650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191472251650 is a deficient number, since it is larger than the sum of its proper divisors (166103147774).

191472251650 is a wasteful number, since it uses less digits than its factorization.

191472251650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14595 (or 14590 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 191472251650 in words is "one hundred ninety-one billion, four hundred seventy-two million, two hundred fifty-one thousand, six hundred fifty".