16961742898 has 4 divisors (see below), whose sum is σ = 25442614350. Its totient is φ = 8480871448.

The previous prime is 16961742893. The next prime is 16961742901. The reversal of 16961742898 is 89824716961.

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., 15337088649 + 1624654249 = 123843^2 + 40307^2 .

It is not an unprimeable number, because it can be changed into a prime (16961742893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240435723 + ... + 4240435726.

Almost surely, 2^16961742898 is an apocalyptic number.

16961742898 is a deficient number, since it is larger than the sum of its proper divisors (8480871452).

16961742898 is an equidigital number, since it uses as much as digits as its factorization.

16961742898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480871451.

The product of its digits is 10450944, while the sum is 61.

The spelling of 16961742898 in words is "sixteen billion, nine hundred sixty-one million, seven hundred forty-two thousand, eight hundred ninety-eight".