156461996798 has 8 divisors (see below), whose sum is σ = 235884330792. Its totient is φ = 77833886536.

The previous prime is 156461996759. The next prime is 156461996857. The reversal of 156461996798 is 897699164651.

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

It is a congruent number.

It is an unprimeable number.

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, 198555440 + ... + 198556227.

It is an arithmetic number, because the mean of its divisors is an integer number (29485541349).

Almost surely, 2^156461996798 is an apocalyptic number.

156461996798 is a deficient number, since it is larger than the sum of its proper divisors (79422333994).

156461996798 is a wasteful number, since it uses less digits than its factorization.

156461996798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397111866.

The product of its digits is 176359680, while the sum is 71.

The spelling of 156461996798 in words is "one hundred fifty-six billion, four hundred sixty-one million, nine hundred ninety-six thousand, seven hundred ninety-eight".