161414772 has 48 divisors (see below), whose sum is σ = 381763200. Its totient is φ = 53078400.

The previous prime is 161414741. The next prime is 161414797. The reversal of 161414772 is 277414161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414754 + ... + 415142.

It is an arithmetic number, because the mean of its divisors is an integer number (7953400).

Almost surely, 2^161414772 is an apocalyptic number.

161414772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161414772 is an abundant number, since it is smaller than the sum of its proper divisors (220348428).

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

161414772 is a wasteful number, since it uses less digits than its factorization.

161414772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 774 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 161414772 is about 12704.9113338110. The cubic root of 161414772 is about 544.4789476152.

The spelling of 161414772 in words is "one hundred sixty-one million, four hundred fourteen thousand, seven hundred seventy-two".