161429610 has 16 divisors (see below), whose sum is σ = 387431136. Its totient is φ = 43047888.

The previous prime is 161429579. The next prime is 161429621. The reversal of 161429610 is 16924161.

It is a happy number.

It is a super-3 number, since 3×161429610³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5380987 = 161429610 / (1 + 6 + 1 + 4 + 2 + 9 + 6 + 1 + 0).

It is a Curzon number.

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, 2690464 + ... + 2690523.

It is an arithmetic number, because the mean of its divisors is an integer number (24214446).

Almost surely, 2^161429610 is an apocalyptic number.

161429610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161429610 is an abundant number, since it is smaller than the sum of its proper divisors (226001526).

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

161429610 is a wasteful number, since it uses less digits than its factorization.

161429610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5380997.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 161429610 is about 12705.4952677965. The cubic root of 161429610 is about 544.4956307869.

It can be divided in two parts, 16142 and 9610, that added together give a palindrome (25752).

The spelling of 161429610 in words is "one hundred sixty-one million, four hundred twenty-nine thousand, six hundred ten".