190111693453902 has 128 divisors (see below), whose sum is σ = 487995390650880. Its totient is φ = 54219897607680.

The previous prime is 190111693453883. The next prime is 190111693453931. The reversal of 190111693453902 is 209354396111091.

190111693453902 is a `hidden beast` number, since 1 + 9 + 0 + 1 + 1 + 16 + 93 + 4 + 539 + 0 + 2 = 666.

It is a super-2 number, since 2×190111693453902² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 811226848 + ... + 811461164.

It is an arithmetic number, because the mean of its divisors is an integer number (3812463989460).

Almost surely, 2^{190111693453902} is an apocalyptic number.

190111693453902 is an abundant number, since it is smaller than the sum of its proper divisors (297883697196978).

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

190111693453902 is a wasteful number, since it uses less digits than its factorization.

190111693453902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314703 (or 314697 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 190111693453902 in words is "one hundred ninety trillion, one hundred eleven billion, six hundred ninety-three million, four hundred fifty-three thousand, nine hundred two".