16616470 has 16 divisors (see below), whose sum is σ = 32210640. Its totient is φ = 6135264.

The previous prime is 16616437. The next prime is 16616473. The reversal of 16616470 is 7461661.

It is a super-2 number, since 2×16616470² = 552214150521800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16616473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63780 + ... + 64039.

It is an arithmetic number, because the mean of its divisors is an integer number (2013165).

Almost surely, 2^16616470 is an apocalyptic number.

16616470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16616470 is a deficient number, since it is larger than the sum of its proper divisors (15594170).

16616470 is a wasteful number, since it uses less digits than its factorization.

16616470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127839.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16616470 is about 4076.3304576543. The cubic root of 16616470 is about 255.1797783887.

The spelling of 16616470 in words is "sixteen million, six hundred sixteen thousand, four hundred seventy".