119161890 has 48 divisors (see below), whose sum is σ = 312589368. Its totient is φ = 31492608.

The previous prime is 119161877. The next prime is 119161909. The reversal of 119161890 is 98161911.

It can be written as a sum of positive squares in 4 ways, for example, as 19900521 + 99261369 = 4461^2 + 9963^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4312 + ... + 16028.

Almost surely, 2^119161890 is an apocalyptic number.

119161890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 119161890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156294684).

119161890 is an abundant number, since it is smaller than the sum of its proper divisors (193427478).

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

119161890 is a wasteful number, since it uses less digits than its factorization.

119161890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11843 (or 11840 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 36.

The square root of 119161890 is about 10916.1298086822. The cubic root of 119161890 is about 492.0914216391.

The spelling of 119161890 in words is "one hundred nineteen million, one hundred sixty-one thousand, eight hundred ninety".