16302771994 has 4 divisors (see below), whose sum is σ = 24454157994. Its totient is φ = 8151385996.

The previous prime is 16302771959. The next prime is 16302772021. The reversal of 16302771994 is 49917720361.

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., 8406139225 + 7896632769 = 91685^2 + 88863^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4075692997 + ... + 4075693000.

Almost surely, 2^16302771994 is an apocalyptic number.

16302771994 is a deficient number, since it is larger than the sum of its proper divisors (8151386000).

16302771994 is an equidigital number, since it uses as much as digits as its factorization.

16302771994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151385999.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 16302771994 in words is "sixteen billion, three hundred two million, seven hundred seventy-one thousand, nine hundred ninety-four".