156021858046 has 8 divisors (see below), whose sum is σ = 234149868000. Its totient is φ = 77971902048.

The previous prime is 156021858043. The next prime is 156021858061. The reversal of 156021858046 is 640858120651.

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 = 156021857987 and 156021858005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156021858043) 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, 19508491 + ... + 19516486.

It is an arithmetic number, because the mean of its divisors is an integer number (29268733500).

Almost surely, 2^156021858046 is an apocalyptic number.

156021858046 is a deficient number, since it is larger than the sum of its proper divisors (78128009954).

156021858046 is a wasteful number, since it uses less digits than its factorization.

156021858046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39026978.

The product of its (nonzero) digits is 460800, while the sum is 46.

Adding to 156021858046 its reverse (640858120651), we get a palindrome (796879978697).

The spelling of 156021858046 in words is "one hundred fifty-six billion, twenty-one million, eight hundred fifty-eight thousand, forty-six".