156640455463 has 8 divisors (see below), whose sum is σ = 167464840608. Its totient is φ = 145994985984.

The previous prime is 156640455457. The next prime is 156640455467. The reversal of 156640455463 is 364554046651.

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

It is a de Polignac number, because none of the positive numbers 2^k-156640455463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156640455467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44727106 + ... + 44730607.

It is an arithmetic number, because the mean of its divisors is an integer number (20933105076).

Almost surely, 2^156640455463 is an apocalyptic number.

156640455463 is a deficient number, since it is larger than the sum of its proper divisors (10824385145).

156640455463 is a wasteful number, since it uses less digits than its factorization.

156640455463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89457833.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 156640455463 in words is "one hundred fifty-six billion, six hundred forty million, four hundred fifty-five thousand, four hundred sixty-three".