16913955 has 16 divisors (see below), whose sum is σ = 27120384. Its totient is φ = 9001440.

The previous prime is 16913951. The next prime is 16913977. The reversal of 16913955 is 55931961.

It is not a de Polignac number, because 16913955 - 2² = 16913951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16913951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8572 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (1695024).

Almost surely, 2^16913955 is an apocalyptic number.

16913955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16913955 is a deficient number, since it is larger than the sum of its proper divisors (10206429).

16913955 is a wasteful number, since it uses less digits than its factorization.

16913955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426.

The product of its digits is 36450, while the sum is 39.

The square root of 16913955 is about 4112.6578997043. The cubic root of 16913955 is about 256.6936095477.

The spelling of 16913955 in words is "sixteen million, nine hundred thirteen thousand, nine hundred fifty-five".