156484894986 has 24 divisors (see below), whose sum is σ = 387486406944. Its totient is φ = 44709969960.

The previous prime is 156484894981. The next prime is 156484895003. The reversal of 156484894986 is 689498484651.

156484894986 is a `hidden beast` number, since 1 + 5 + 64 + 8 + 489 + 4 + 9 + 86 = 666.

It is not an unprimeable number, because it can be changed into a prime (156484894981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620971680 + ... + 620971931.

It is an arithmetic number, because the mean of its divisors is an integer number (16145266956).

Almost surely, 2^156484894986 is an apocalyptic number.

156484894986 is an abundant number, since it is smaller than the sum of its proper divisors (231001511958).

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

156484894986 is a wasteful number, since it uses less digits than its factorization.

156484894986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241943626 (or 1241943623 counting only the distinct ones).

The product of its digits is 477757440, while the sum is 72.

The spelling of 156484894986 in words is "one hundred fifty-six billion, four hundred eighty-four million, eight hundred ninety-four thousand, nine hundred eighty-six".