16424253544 has 8 divisors (see below), whose sum is σ = 30795475410. Its totient is φ = 8212126768.

The previous prime is 16424253533. The next prime is 16424253557. The reversal of 16424253544 is 44535242461.

It can be written as a sum of positive squares in only one way, i.e., 12852756900 + 3571496644 = 113370^2 + 59762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16424253544² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16424253497 and 16424253506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026515839 + ... + 1026515854.

Almost surely, 2^16424253544 is an apocalyptic number.

It is an amenable number.

16424253544 is a deficient number, since it is larger than the sum of its proper divisors (14371221866).

16424253544 is a wasteful number, since it uses less digits than its factorization.

16424253544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053031699 (or 2053031695 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

The spelling of 16424253544 in words is "sixteen billion, four hundred twenty-four million, two hundred fifty-three thousand, five hundred forty-four".