16341665554 has 16 divisors (see below), whose sum is σ = 25902040320. Its totient is φ = 7716646080.

The previous prime is 16341665537. The next prime is 16341665617. The reversal of 16341665554 is 45556614361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244807 + ... + 2252074.

It is an arithmetic number, because the mean of its divisors is an integer number (1618877520).

Almost surely, 2^16341665554 is an apocalyptic number.

16341665554 is a deficient number, since it is larger than the sum of its proper divisors (9560374766).

16341665554 is a wasteful number, since it uses less digits than its factorization.

16341665554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496985.

The product of its digits is 1296000, while the sum is 46.

The spelling of 16341665554 in words is "sixteen billion, three hundred forty-one million, six hundred sixty-five thousand, five hundred fifty-four".