190506816 has 70 divisors (see below), whose sum is σ = 564737250. Its totient is φ = 63500544.

The previous prime is 190506809. The next prime is 190506847. The reversal of 190506816 is 618605091.

190506816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 127780416 + 62726400 = 11304^2 + 7920^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13191 + ... + 23558.

It is an arithmetic number, because the mean of its divisors is an integer number (8067675).

Almost surely, 2^190506816 is an apocalyptic number.

190506816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

190506816 is an abundant number, since it is smaller than the sum of its proper divisors (374230434).

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

190506816 is an equidigital number, since it uses as much as digits as its factorization.

190506816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36773 (or 36754 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 190506816 is about 13802.4206572615. The cubic root of 190506816 is about 575.4004177532.

The spelling of 190506816 in words is "one hundred ninety million, five hundred six thousand, eight hundred sixteen".