161025470 has 32 divisors (see below), whose sum is σ = 300070656. Its totient is φ = 62150400.

The previous prime is 161025457. The next prime is 161025503. The reversal of 161025470 is 74520161.

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, 161012 + ... + 162008.

It is an arithmetic number, because the mean of its divisors is an integer number (9377208).

Almost surely, 2^161025470 is an apocalyptic number.

161025470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161025470 is a deficient number, since it is larger than the sum of its proper divisors (139045186).

161025470 is a wasteful number, since it uses less digits than its factorization.

161025470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 161025470 is about 12689.5811593606. The cubic root of 161025470 is about 544.0408683793.

The spelling of 161025470 in words is "one hundred sixty-one million, twenty-five thousand, four hundred seventy".