190393970860 has 48 divisors (see below), whose sum is σ = 413738357760. Its totient is φ = 73509443840.

The previous prime is 190393970843. The next prime is 190393970863. The reversal of 190393970860 is 68079393091.

It is not an unprimeable number, because it can be changed into a prime (190393970863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959957 + ... + 2054803.

It is an arithmetic number, because the mean of its divisors is an integer number (8619549120).

Almost surely, 2^190393970860 is an apocalyptic number.

190393970860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190393970860 is an abundant number, since it is smaller than the sum of its proper divisors (223344386900).

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

190393970860 is a wasteful number, since it uses less digits than its factorization.

190393970860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98346 (or 98344 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 190393970860 in words is "one hundred ninety billion, three hundred ninety-three million, nine hundred seventy thousand, eight hundred sixty".