102991346974 has 8 divisors (see below), whose sum is σ = 154533187368. Its totient is φ = 51480284520.

The previous prime is 102991346923. The next prime is 102991346977. The reversal of 102991346974 is 479643199201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102991346977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7686117 + ... + 7699504.

It is an arithmetic number, because the mean of its divisors is an integer number (19316648421).

Almost surely, 2^102991346974 is an apocalyptic number.

102991346974 is a deficient number, since it is larger than the sum of its proper divisors (51541840394).

102991346974 is a wasteful number, since it uses less digits than its factorization.

102991346974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15388970.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 102991346974 in words is "one hundred two billion, nine hundred ninety-one million, three hundred forty-six thousand, nine hundred seventy-four".