161476928712 has 144 divisors (see below), whose sum is σ = 489776561820. Its totient is φ = 48009012480.

The previous prime is 161476928693. The next prime is 161476928771. The reversal of 161476928712 is 217829674161.

161476928712 is a `hidden beast` number, since 1 + 6 + 1 + 476 + 92 + 87 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 153643616676 + 7833312036 = 391974^2 + 88506^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 286878 + ... + 636594.

Almost surely, 2^161476928712 is an apocalyptic number.

161476928712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161476928712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244888280910).

161476928712 is an abundant number, since it is smaller than the sum of its proper divisors (328299633108).

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

161476928712 is a wasteful number, since it uses less digits than its factorization.

161476928712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349804 (or 349786 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The spelling of 161476928712 in words is "one hundred sixty-one billion, four hundred seventy-six million, nine hundred twenty-eight thousand, seven hundred twelve".