161413490 has 32 divisors (see below), whose sum is σ = 332760960. Its totient is φ = 55223424.

The previous prime is 161413489. The next prime is 161413501. The reversal of 161413490 is 94314161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34406 + ... + 38814.

It is an arithmetic number, because the mean of its divisors is an integer number (10398780).

Almost surely, 2^161413490 is an apocalyptic number.

161413490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161413490 is an abundant number, since it is smaller than the sum of its proper divisors (171347470).

161413490 is a wasteful number, since it uses less digits than its factorization.

161413490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 161413490 is about 12704.8608807810. The cubic root of 161413490 is about 544.4775061447.

The spelling of 161413490 in words is "one hundred sixty-one million, four hundred thirteen thousand, four hundred ninety".