190801616 has 20 divisors (see below), whose sum is σ = 370257924. Its totient is φ = 95251200.

The previous prime is 190801609. The next prime is 190801627. The reversal of 190801616 is 616108091.

It can be written as a sum of positive squares in 2 ways, for example, as 69889600 + 120912016 = 8360^2 + 10996^2 .

It is a super-2 number, since 2×190801616² = 72810513336422912, which contains 22 as substring.

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, 1556 + ... + 19596.

Almost surely, 2^190801616 is an apocalyptic number.

190801616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

190801616 is a deficient number, since it is larger than the sum of its proper divisors (179456308).

190801616 is a wasteful number, since it uses less digits than its factorization.

190801616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18710 (or 18704 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 190801616 is about 13813.0958152038. The cubic root of 190801616 is about 575.6970661441.

The spelling of 190801616 in words is "one hundred ninety million, eight hundred one thousand, six hundred sixteen".