1901116090 has 16 divisors (see below), whose sum is σ = 3424658688. Its totient is φ = 759857616.

The previous prime is 1901116027. The next prime is 1901116099. The reversal of 1901116090 is 906111091.

It is a super-2 number, since 2×1901116090² = 7228484775313776200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1901116099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59922 + ... + 85981.

It is an arithmetic number, because the mean of its divisors is an integer number (214041168).

Almost surely, 2^1901116090 is an apocalyptic number.

1901116090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1901116090 is a deficient number, since it is larger than the sum of its proper divisors (1523542598).

1901116090 is a wasteful number, since it uses less digits than its factorization.

1901116090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147213.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 1901116090 is about 43601.7899861921. The cubic root of 1901116090 is about 1238.8047991824.

The spelling of 1901116090 in words is "one billion, nine hundred one million, one hundred sixteen thousand, ninety".