16955254658 has 4 divisors (see below), whose sum is σ = 25432881990. Its totient is φ = 8477627328.

The previous prime is 16955254651. The next prime is 16955254661. The reversal of 16955254658 is 85645255961.

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., 10659943009 + 6295311649 = 103247^2 + 79343^2 .

It is not an unprimeable number, because it can be changed into a prime (16955254651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4238813663 + ... + 4238813666.

Almost surely, 2^16955254658 is an apocalyptic number.

16955254658 is a deficient number, since it is larger than the sum of its proper divisors (8477627332).

16955254658 is an equidigital number, since it uses as much as digits as its factorization.

16955254658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8477627331.

The product of its digits is 12960000, while the sum is 56.

The spelling of 16955254658 in words is "sixteen billion, nine hundred fifty-five million, two hundred fifty-four thousand, six hundred fifty-eight".