156601001016 has 96 divisors (see below), whose sum is σ = 431471776320. Its totient is φ = 51301555200.

The previous prime is 156601001009. The next prime is 156601001017. The reversal of 156601001016 is 610100106651.

156601001016 is a `hidden beast` number, since 1 + 56 + 601 + 0 + 0 + 1 + 0 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156601001017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1423921 + ... + 1529951.

It is an arithmetic number, because the mean of its divisors is an integer number (4494497670).

Almost surely, 2^156601001016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156601001016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215735888160).

156601001016 is an abundant number, since it is smaller than the sum of its proper divisors (274870775304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156601001016 is a wasteful number, since it uses less digits than its factorization.

156601001016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106397 (or 106390 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 156601001016 its reverse (610100106651), we get a palindrome (766701107667).

The spelling of 156601001016 in words is "one hundred fifty-six billion, six hundred one million, one thousand, sixteen".