190901601 has 24 divisors (see below), whose sum is σ = 306498816. Its totient is φ = 113511840.

The previous prime is 190901593. The next prime is 190901621. The reversal of 190901601 is 106109091.

190901601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190901601 - 2³ = 190901593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190901621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12945 + ... + 23438.

It is an arithmetic number, because the mean of its divisors is an integer number (12770784).

Almost surely, 2^190901601 is an apocalyptic number.

190901601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

190901601 is a deficient number, since it is larger than the sum of its proper divisors (115597215).

190901601 is a wasteful number, since it uses less digits than its factorization.

190901601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36453 (or 36450 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 190901601 is about 13816.7145515857. The cubic root of 190901601 is about 575.7976086531.

The spelling of 190901601 in words is "one hundred ninety million, nine hundred one thousand, six hundred one".