161161010 has 16 divisors (see below), whose sum is σ = 292908096. Its totient is φ = 63838128.

The previous prime is 161160997. The next prime is 161161043. The reversal of 161161010 is 10161161.

It is a super-2 number, since 2×161161010² = 51945742288440200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161161010.

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, 77204 + ... + 79263.

It is an arithmetic number, because the mean of its divisors is an integer number (18306756).

Almost surely, 2^161161010 is an apocalyptic number.

161161010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161161010 is a deficient number, since it is larger than the sum of its proper divisors (131747086).

161161010 is a wasteful number, since it uses less digits than its factorization.

161161010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156577.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 161161010 is about 12694.9206377984. The cubic root of 161161010 is about 544.1934707791.

The spelling of 161161010 in words is "one hundred sixty-one million, one hundred sixty-one thousand, ten".