161407546 has 8 divisors (see below), whose sum is σ = 254854080. Its totient is φ = 76456188.

The previous prime is 161407523. The next prime is 161407549. The reversal of 161407546 is 645704161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (161407549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123746 + ... + 2123821.

It is an arithmetic number, because the mean of its divisors is an integer number (31856760).

Almost surely, 2^161407546 is an apocalyptic number.

161407546 is a deficient number, since it is larger than the sum of its proper divisors (93446534).

161407546 is a wasteful number, since it uses less digits than its factorization.

161407546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247588.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 161407546 is about 12704.6269524138. The cubic root of 161407546 is about 544.4708226595.

The spelling of 161407546 in words is "one hundred sixty-one million, four hundred seven thousand, five hundred forty-six".