190808074149 has 64 divisors (see below), whose sum is σ = 326436114432. Its totient is φ = 96241996800.

The previous prime is 190808074091. The next prime is 190808074151. The reversal of 190808074149 is 941470808091.

It is not a de Polignac number, because 190808074149 - 2⁸ = 190808073893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190808074169) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4139469 + ... + 4185309.

It is an arithmetic number, because the mean of its divisors is an integer number (5100564288).

Almost surely, 2^190808074149 is an apocalyptic number.

It is an amenable number.

190808074149 is a deficient number, since it is larger than the sum of its proper divisors (135628040283).

190808074149 is a wasteful number, since it uses less digits than its factorization.

190808074149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46386.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 190808074149 in words is "one hundred ninety billion, eight hundred eight million, seventy-four thousand, one hundred forty-nine".