190854195088426 has 16 divisors (see below), whose sum is σ = 286576809238440. Its totient is φ = 95328630654400.

The previous prime is 190854195088409. The next prime is 190854195088441. The reversal of 190854195088426 is 624880591458091.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6095393143225 + 184758801945201 = 2468885^2 + 13592601^2 .

It is a super-2 number, since 2×190854195088426² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220980 + ... + 19538608.

Almost surely, 2^{190854195088426} is an apocalyptic number.

190854195088426 is a deficient number, since it is larger than the sum of its proper divisors (95722614150014).

190854195088426 is a wasteful number, since it uses less digits than its factorization.

190854195088426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19322729.

The product of its (nonzero) digits is 199065600, while the sum is 70.

The spelling of 190854195088426 in words is "one hundred ninety trillion, eight hundred fifty-four billion, one hundred ninety-five million, eighty-eight thousand, four hundred twenty-six".