16312658082554 has 4 divisors (see below), whose sum is σ = 24468987123834. Its totient is φ = 8156329041276.

The previous prime is 16312658082541. The next prime is 16312658082599. The reversal of 16312658082554 is 45528085621361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9386165779225 + 6926492303329 = 3063685^2 + 2631823^2 .

It is a super-2 number, since 2×16312658082554² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16312658082554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4078164520637 + ... + 4078164520640.

Almost surely, 2^{16312658082554} is an apocalyptic number.

16312658082554 is a deficient number, since it is larger than the sum of its proper divisors (8156329041280).

16312658082554 is an equidigital number, since it uses as much as digits as its factorization.

16312658082554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156329041279.

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 16312658082554 in words is "sixteen trillion, three hundred twelve billion, six hundred fifty-eight million, eighty-two thousand, five hundred fifty-four".