161460500 has 24 divisors (see below), whose sum is σ = 352630824. Its totient is φ = 64584000.

The previous prime is 161460469. The next prime is 161460511. The reversal of 161460500 is 5064161.

161460500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3254416 + 158206084 = 1804^2 + 12578^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160961 + ... + 161960.

It is an arithmetic number, because the mean of its divisors is an integer number (14692951).

Almost surely, 2^161460500 is an apocalyptic number.

161460500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161460500 is an abundant number, since it is smaller than the sum of its proper divisors (191170324).

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

161460500 is a wasteful number, since it uses less digits than its factorization.

161460500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322940 (or 322928 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 161460500 is about 12706.7108253867. The cubic root of 161460500 is about 544.5303588175.

The spelling of 161460500 in words is "one hundred sixty-one million, four hundred sixty thousand, five hundred".