161484970 has 16 divisors (see below), whose sum is σ = 291557088. Its totient is φ = 64397520.

The previous prime is 161484959. The next prime is 161484977. The reversal of 161484970 is 79484161.

It is a super-3 number, since 3×161484970³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (161484977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21084 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (18222318).

Almost surely, 2^161484970 is an apocalyptic number.

161484970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161484970 is a deficient number, since it is larger than the sum of its proper divisors (130072118).

161484970 is a wasteful number, since it uses less digits than its factorization.

161484970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49125.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 161484970 is about 12707.6736659390. The cubic root of 161484970 is about 544.5578660299.

The spelling of 161484970 in words is "one hundred sixty-one million, four hundred eighty-four thousand, nine hundred seventy".