16534479 has 8 divisors (see below), whose sum is σ = 23741872. Its totient is φ = 10175040.

The previous prime is 16534471. The next prime is 16534481. The reversal of 16534479 is 97443561.

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

It is not a de Polignac number, because 16534479 - 2³ = 16534471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 423961 = 16534479 / (1 + 6 + 5 + 3 + 4 + 4 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16534471) 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, 211942 + ... + 212019.

It is an arithmetic number, because the mean of its divisors is an integer number (2967734).

Almost surely, 2^16534479 is an apocalyptic number.

16534479 is a deficient number, since it is larger than the sum of its proper divisors (7207393).

16534479 is a wasteful number, since it uses less digits than its factorization.

16534479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423977.

The product of its digits is 90720, while the sum is 39.

The square root of 16534479 is about 4066.2610590074. The cubic root of 16534479 is about 254.7593731614.

The spelling of 16534479 in words is "sixteen million, five hundred thirty-four thousand, four hundred seventy-nine".