190494051 has 20 divisors (see below), whose sum is σ = 279453960. Its totient is φ = 115424320.

The previous prime is 190494023. The next prime is 190494053. The reversal of 190494051 is 150494091.

It is not a de Polignac number, because 190494051 - 2⁹ = 190493539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (190494053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41755 + ... + 46091.

It is an arithmetic number, because the mean of its divisors is an integer number (13972698).

Almost surely, 2^190494051 is an apocalyptic number.

190494051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

190494051 is a deficient number, since it is larger than the sum of its proper divisors (88959909).

190494051 is an frugal number, since it uses more digits than its factorization.

190494051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384 (or 4351 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 190494051 is about 13801.9582306280. The cubic root of 190494051 is about 575.3875658064.

The spelling of 190494051 in words is "one hundred ninety million, four hundred ninety-four thousand, fifty-one".