648922161229846 has 24 divisors (see below), whose sum is σ = 1132326561990096. Its totient is φ = 278103699412560.

The previous prime is 648922161229733. The next prime is 648922161229913.

648922161229846 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64300746 + ... + 73705021.

It is an arithmetic number, because the mean of its divisors is an integer number (47180273416254).

Almost surely, 2^{648922161229846} is an apocalyptic number.

648922161229846 is a deficient number, since it is larger than the sum of its proper divisors (483404400760250).

648922161229846 is a wasteful number, since it uses less digits than its factorization.

648922161229846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138053764 (or 138053757 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 70.

The spelling of 648922161229846 in words is "six hundred forty-eight trillion, nine hundred twenty-two billion, one hundred sixty-one million, two hundred twenty-nine thousand, eight hundred forty-six".