161267460 has 48 divisors (see below), whose sum is σ = 463759296. Its totient is φ = 41841792.

The previous prime is 161267441. The next prime is 161267479. The reversal of 161267460 is 64762161.

161267460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161267441) and next prime (161267479).

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, 34102 + ... + 38541.

It is an arithmetic number, because the mean of its divisors is an integer number (9661652).

Almost surely, 2^161267460 is an apocalyptic number.

161267460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161267460 is an abundant number, since it is smaller than the sum of its proper divisors (302491836).

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

161267460 is a wasteful number, since it uses less digits than its factorization.

161267460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72692 (or 72690 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 161267460 is about 12699.1125674198. The cubic root of 161267460 is about 544.3132612196.

The spelling of 161267460 in words is "one hundred sixty-one million, two hundred sixty-seven thousand, four hundred sixty".