1461661292 has 48 divisors (see below), whose sum is σ = 3333395520. Its totient is φ = 544223232.

The previous prime is 1461661273. The next prime is 1461661301. The reversal of 1461661292 is 2921661641.

It is a super-2 number, since 2×1461661292² = 4272907465062218528, which contains 22 as substring.

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, 111917 + ... + 124292.

It is an arithmetic number, because the mean of its divisors is an integer number (69445740).

Almost surely, 2^1461661292 is an apocalyptic number.

It is an amenable number.

1461661292 is an abundant number, since it is smaller than the sum of its proper divisors (1871734228).

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

1461661292 is a wasteful number, since it uses less digits than its factorization.

1461661292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236250 (or 236248 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 1461661292 is about 38231.6791679361. The cubic root of 1461661292 is about 1134.8773158809.

The spelling of 1461661292 in words is "one billion, four hundred sixty-one million, six hundred sixty-one thousand, two hundred ninety-two".