161464061 has 8 divisors (see below), whose sum is σ = 179128800. Its totient is φ = 144297040.

The previous prime is 161464031. The next prime is 161464081. The reversal of 161464061 is 160464161.

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

It is a cyclic number.

It is not a de Polignac number, because 161464061 - 2¹⁰ = 161463037 is a prime.

It is a super-2 number, since 2×161464061² = 52141285989223442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161464001) 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, 123746 + ... + 125043.

It is an arithmetic number, because the mean of its divisors is an integer number (22391100).

Almost surely, 2^161464061 is an apocalyptic number.

161464061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

161464061 is a deficient number, since it is larger than the sum of its proper divisors (17664739).

161464061 is a wasteful number, since it uses less digits than its factorization.

161464061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248859.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 161464061 is about 12706.8509474220. The cubic root of 161464061 is about 544.5343619811.

The spelling of 161464061 in words is "one hundred sixty-one million, four hundred sixty-four thousand, sixty-one".