16426642660744 has 64 divisors (see below), whose sum is σ = 31646366020800. Its totient is φ = 7990567200000.

The previous prime is 16426642660721. The next prime is 16426642660763. The reversal of 16426642660744 is 44706624662461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107233134 + ... + 107386210.

It is an arithmetic number, because the mean of its divisors is an integer number (494474469075).

Almost surely, 2^{16426642660744} is an apocalyptic number.

It is an amenable number.

16426642660744 is a deficient number, since it is larger than the sum of its proper divisors (15219723360056).

16426642660744 is a wasteful number, since it uses less digits than its factorization.

16426642660744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155494 (or 155490 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 58.

The spelling of 16426642660744 in words is "sixteen trillion, four hundred twenty-six billion, six hundred forty-two million, six hundred sixty thousand, seven hundred forty-four".