100040161 has 8 divisors (see below), whose sum is σ = 107956800. Its totient is φ = 92155152.

The previous prime is 100040113. The next prime is 100040201. The reversal of 100040161 is 161040001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100040161 - 2¹³ = 100031969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100040561) 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, 1111 + ... + 14188.

It is an arithmetic number, because the mean of its divisors is an integer number (13494600).

Almost surely, 2^100040161 is an apocalyptic number.

It is an amenable number.

100040161 is a deficient number, since it is larger than the sum of its proper divisors (7916639).

100040161 is a wasteful number, since it uses less digits than its factorization.

100040161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15815.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 100040161 is about 10002.0078484272. The cubic root of 100040161 is about 464.2210119946.

Adding to 100040161 its reverse (161040001), we get a palindrome (261080162).

The spelling of 100040161 in words is "one hundred million, forty thousand, one hundred sixty-one".