190100811 has 8 divisors (see below), whose sum is σ = 253967760. Its totient is φ = 126483872.

The previous prime is 190100797. The next prime is 190100831. The reversal of 190100811 is 118001091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190100811 - 2⁶ = 190100747 is a prime.

It is a super-2 number, since 2×190100811² = 72276636685715442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190100831) 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, 60720 + ... + 63773.

It is an arithmetic number, because the mean of its divisors is an integer number (31745970).

Almost surely, 2^190100811 is an apocalyptic number.

190100811 is a deficient number, since it is larger than the sum of its proper divisors (63866949).

190100811 is a wasteful number, since it uses less digits than its factorization.

190100811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125005.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 190100811 is about 13787.7050664714. The cubic root of 190100811 is about 574.9913657179.

The spelling of 190100811 in words is "one hundred ninety million, one hundred thousand, eight hundred eleven".