16625395 has 8 divisors (see below), whose sum is σ = 20489904. Its totient is φ = 12940704.

The previous prime is 16625387. The next prime is 16625407. The reversal of 16625395 is 59352661.

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 16625395 - 2³ = 16625387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian 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, 44749 + ... + 45118.

It is an arithmetic number, because the mean of its divisors is an integer number (2561238).

Almost surely, 2^16625395 is an apocalyptic number.

16625395 is a deficient number, since it is larger than the sum of its proper divisors (3864509).

16625395 is an equidigital number, since it uses as much as digits as its factorization.

16625395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89909.

The product of its digits is 48600, while the sum is 37.

The square root of 16625395 is about 4077.4250452951. The cubic root of 16625395 is about 255.2254574025.

It can be divided in two parts, 16625 and 395, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 16625395 in words is "sixteen million, six hundred twenty-five thousand, three hundred ninety-five".