161456061 has 8 divisors (see below), whose sum is σ = 231834400. Its totient is φ = 99357552.

The previous prime is 161456027. The next prime is 161456077. The reversal of 161456061 is 160654161.

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

It is not a de Polignac number, because 161456061 - 2⁹ = 161455549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161456161) 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, 2069911 + ... + 2069988.

It is an arithmetic number, because the mean of its divisors is an integer number (28979300).

Almost surely, 2^161456061 is an apocalyptic number.

It is an amenable number.

161456061 is a deficient number, since it is larger than the sum of its proper divisors (70378339).

161456061 is a wasteful number, since it uses less digits than its factorization.

161456061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139915.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 161456061 is about 12706.5361527050. The cubic root of 161456061 is about 544.5253685518.

It can be divided in two parts, 1614 and 56061, that added together give a palindrome (57675).

The spelling of 161456061 in words is "one hundred sixty-one million, four hundred fifty-six thousand, sixty-one".