156644216548 has 12 divisors (see below), whose sum is σ = 275274357120. Its totient is φ = 77994400232.

The previous prime is 156644216513. The next prime is 156644216593. The reversal of 156644216548 is 845612446651.

156644216548 is nontrivially palindromic in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 156644216495 and 156644216504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81925936 + ... + 81927847.

It is an arithmetic number, because the mean of its divisors is an integer number (22939529760).

Almost surely, 2^156644216548 is an apocalyptic number.

It is an amenable number.

156644216548 is a deficient number, since it is larger than the sum of its proper divisors (118630140572).

156644216548 is a wasteful number, since it uses less digits than its factorization.

156644216548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163854026 (or 163854024 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The spelling of 156644216548 in words is "one hundred fifty-six billion, six hundred forty-four million, two hundred sixteen thousand, five hundred forty-eight".