190420236654 has 8 divisors (see below), whose sum is σ = 380840473320. Its totient is φ = 63473412216.

The previous prime is 190420236607. The next prime is 190420236691. The reversal of 190420236654 is 456632024091.

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

190420236654 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15868353049 + ... + 15868353060.

It is an arithmetic number, because the mean of its divisors is an integer number (47605059165).

Almost surely, 2^190420236654 is an apocalyptic number.

190420236654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190420236654 is a wasteful number, since it uses less digits than its factorization.

190420236654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31736706114.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 190420236654 in words is "one hundred ninety billion, four hundred twenty million, two hundred thirty-six thousand, six hundred fifty-four".