100161340 has 24 divisors (see below), whose sum is σ = 210544992. Its totient is φ = 40025280.

The previous prime is 100161307. The next prime is 100161353. The reversal of 100161340 is 43161001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27210 + ... + 30670.

It is an arithmetic number, because the mean of its divisors is an integer number (8772708).

Almost surely, 2^100161340 is an apocalyptic number.

100161340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100161340 is an abundant number, since it is smaller than the sum of its proper divisors (110383652).

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

100161340 is a wasteful number, since it uses less digits than its factorization.

100161340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917 (or 4915 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100161340 is about 10008.0637487978. The cubic root of 100161340 is about 464.4083738808.

The spelling of 100161340 in words is "one hundred million, one hundred sixty-one thousand, three hundred forty".