190257020738 has 16 divisors (see below), whose sum is σ = 295858630080. Its totient is φ = 91651526736.

The previous prime is 190257020731. The next prime is 190257020783. The reversal of 190257020738 is 837020752091.

190257020738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190257020731) by changing a digit.

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, 3485006 + ... + 3539177.

It is an arithmetic number, because the mean of its divisors is an integer number (18491164380).

Almost surely, 2^190257020738 is an apocalyptic number.

190257020738 is a deficient number, since it is larger than the sum of its proper divisors (105601609342).

190257020738 is a wasteful number, since it uses less digits than its factorization.

190257020738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024681.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 190257020738 in words is "one hundred ninety billion, two hundred fifty-seven million, twenty thousand, seven hundred thirty-eight".