16411616 has 24 divisors (see below), whose sum is σ = 34796664. Its totient is φ = 7574400.

The previous prime is 16411607. The next prime is 16411621. The reversal of 16411616 is 61611461.

It is a super-2 number, since 2×16411616² = 538682279462912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19310 + ... + 20141.

It is an arithmetic number, because the mean of its divisors is an integer number (1449861).

Almost surely, 2^16411616 is an apocalyptic number.

16411616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16411616 is an abundant number, since it is smaller than the sum of its proper divisors (18385048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16411616 is a wasteful number, since it uses less digits than its factorization.

16411616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39474 (or 39466 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 16411616 is about 4051.1252757722. The cubic root of 16411616 is about 254.1267889540.

It can be divided in two parts, 16 and 411616, that multiplied together give a palindrome (6585856).

The spelling of 16411616 in words is "sixteen million, four hundred eleven thousand, six hundred sixteen".