190687468968 has 48 divisors (see below), whose sum is σ = 519298552500. Its totient is φ = 63211311360.

The previous prime is 190687468931. The next prime is 190687468973. The reversal of 190687468968 is 869864786091.

190687468968 is a `hidden beast` number, since 19 + 0 + 68 + 7 + 468 + 96 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 139023088164 + 51664380804 = 372858^2 + 227298^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 190687468896 and 190687468905.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7303093 + ... + 7329156.

Almost surely, 2^190687468968 is an apocalyptic number.

190687468968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190687468968 is an abundant number, since it is smaller than the sum of its proper divisors (328611083532).

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

190687468968 is a wasteful number, since it uses less digits than its factorization.

190687468968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14632442 (or 14632435 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 72.

The spelling of 190687468968 in words is "one hundred ninety billion, six hundred eighty-seven million, four hundred sixty-eight thousand, nine hundred sixty-eight".