190903968970 has 32 divisors (see below), whose sum is σ = 403701822720. Its totient is φ = 64079653440.

The previous prime is 190903968967. The next prime is 190903969021. The reversal of 190903968970 is 79869309091.

It is a junction number, because it is equal to n+sod(n) for n = 190903968899 and 190903968908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66748210 + ... + 66751069.

It is an arithmetic number, because the mean of its divisors is an integer number (12615681960).

Almost surely, 2^190903968970 is an apocalyptic number.

190903968970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190903968970 is an abundant number, since it is smaller than the sum of its proper divisors (212797853750).

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

190903968970 is a wasteful number, since it uses less digits than its factorization.

190903968970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133499310.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The spelling of 190903968970 in words is "one hundred ninety billion, nine hundred three million, nine hundred sixty-eight thousand, nine hundred seventy".