192902989966 has 8 divisors (see below), whose sum is σ = 289358390880. Its totient is φ = 96450193008.

The previous prime is 192902989963. The next prime is 192902989969. The reversal of 192902989966 is 669989209291.

It is an interprime number because it is at equal distance from previous prime (192902989963) and next prime (192902989969).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 192902989895 and 192902989904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192902989963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453846 + ... + 769273.

It is an arithmetic number, because the mean of its divisors is an integer number (36169798860).

Almost surely, 2^192902989966 is an apocalyptic number.

192902989966 is a deficient number, since it is larger than the sum of its proper divisors (96455400914).

192902989966 is a wasteful number, since it uses less digits than its factorization.

192902989966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301978.

The product of its (nonzero) digits is 68024448, while the sum is 70.

The spelling of 192902989966 in words is "one hundred ninety-two billion, nine hundred two million, nine hundred eighty-nine thousand, nine hundred sixty-six".