16488774747 has 8 divisors (see below), whose sum is σ = 24427814480. Its totient is φ = 10992516480.

The previous prime is 16488774733. The next prime is 16488774761. The reversal of 16488774747 is 74747788461.

It is a happy number.

16488774747 is a `hidden beast` number, since 1 + 6 + 488 + 77 + 47 + 47 = 666.

It is an interprime number because it is at equal distance from previous prime (16488774733) and next prime (16488774761).

It is not a de Polignac number, because 16488774747 - 2⁷ = 16488774619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16488774347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305347654 + ... + 305347707.

It is an arithmetic number, because the mean of its divisors is an integer number (3053476810).

Almost surely, 2^16488774747 is an apocalyptic number.

16488774747 is a deficient number, since it is larger than the sum of its proper divisors (7939039733).

16488774747 is an equidigital number, since it uses as much as digits as its factorization.

16488774747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610695370 (or 610695364 counting only the distinct ones).

The product of its digits is 59006976, while the sum is 63.

The spelling of 16488774747 in words is "sixteen billion, four hundred eighty-eight million, seven hundred seventy-four thousand, seven hundred forty-seven".