100161038 has 4 divisors (see below), whose sum is σ = 150241560. Its totient is φ = 50080518.

The previous prime is 100161023. The next prime is 100161071. The reversal of 100161038 is 830161001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830161001 = 21163 ⋅39227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25040258 + ... + 25040261.

It is an arithmetic number, because the mean of its divisors is an integer number (37560390).

Almost surely, 2^100161038 is an apocalyptic number.

100161038 is a deficient number, since it is larger than the sum of its proper divisors (50080522).

100161038 is an equidigital number, since it uses as much as digits as its factorization.

100161038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50080521.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 100161038 is about 10008.0486609528. The cubic root of 100161038 is about 464.4079071290.

The spelling of 100161038 in words is "one hundred million, one hundred sixty-one thousand, thirty-eight".