161460810 has 64 divisors (see below), whose sum is σ = 492076800. Its totient is φ = 36904896.

The previous prime is 161460809. The next prime is 161460823. The reversal of 161460810 is 18064161.

It is a super-2 number, since 2×161460810² = 52139186331712200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40825 + ... + 44604.

It is an arithmetic number, because the mean of its divisors is an integer number (7688700).

Almost surely, 2^161460810 is an apocalyptic number.

161460810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161460810 is an abundant number, since it is smaller than the sum of its proper divisors (330615990).

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

161460810 is a wasteful number, since it uses less digits than its factorization.

161460810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85452 (or 85446 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 161460810 is about 12706.7230236596. The cubic root of 161460810 is about 544.5307073121.

The spelling of 161460810 in words is "one hundred sixty-one million, four hundred sixty thousand, eight hundred ten".