16926481 has 16 divisors (see below), whose sum is σ = 20377728. Its totient is φ = 13852800.

The previous prime is 16926479. The next prime is 16926541. The reversal of 16926481 is 18462961.

It is a happy number.

It is not a de Polignac number, because 16926481 - 2¹ = 16926479 is a prime.

It is a super-2 number, since 2×16926481² = 573011518086722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16926481.

It is not an unprimeable number, because it can be changed into a prime (16926421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4420 + ... + 7306.

It is an arithmetic number, because the mean of its divisors is an integer number (1273608).

Almost surely, 2^16926481 is an apocalyptic number.

16926481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16926481 is a deficient number, since it is larger than the sum of its proper divisors (3451247).

16926481 is a wasteful number, since it uses less digits than its factorization.

16926481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its digits is 20736, while the sum is 37.

The square root of 16926481 is about 4114.1804773247. The cubic root of 16926481 is about 256.7569606041.

The spelling of 16926481 in words is "sixteen million, nine hundred twenty-six thousand, four hundred eighty-one".