190160978 has 16 divisors (see below), whose sum is σ = 326199744. Its totient is φ = 81445200.

The previous prime is 190160977. The next prime is 190160989. The reversal of 190160978 is 879061091.

It is a happy number.

It is a super-2 number, since 2×190160978² = 72322395107832968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190160977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25028 + ... + 31728.

It is an arithmetic number, because the mean of its divisors is an integer number (20387484).

Almost surely, 2^190160978 is an apocalyptic number.

190160978 is a deficient number, since it is larger than the sum of its proper divisors (136038766).

190160978 is a wasteful number, since it uses less digits than its factorization.

190160978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 190160978 is about 13789.8868015658. The cubic root of 190160978 is about 575.0520210023.

The spelling of 190160978 in words is "one hundred ninety million, one hundred sixty thousand, nine hundred seventy-eight".