16480551 has 8 divisors (see below), whose sum is σ = 21996784. Its totient is φ = 10975680.

The previous prime is 16480549. The next prime is 16480559. The reversal of 16480551 is 15508461.

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

It is not a de Polignac number, because 16480551 - 2¹ = 16480549 is a prime.

It is a super-2 number, since 2×16480551² = 543217122527202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16480559) 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, 1491 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (2749598).

Almost surely, 2^16480551 is an apocalyptic number.

16480551 is a deficient number, since it is larger than the sum of its proper divisors (5516233).

16480551 is a wasteful number, since it uses less digits than its factorization.

16480551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 16480551 is about 4059.6244900237. The cubic root of 16480551 is about 254.4821015071.

The spelling of 16480551 in words is "sixteen million, four hundred eighty thousand, five hundred fifty-one".