1464156161 has 8 divisors (see below), whose sum is σ = 1669535784. Its totient is φ = 1272026880.

The previous prime is 1464156157. The next prime is 1464156167. The reversal of 1464156161 is 1616514641.

It can be written as a sum of positive squares in 4 ways, for example, as 417957136 + 1046199025 = 20444^2 + 32345^2 .

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 1464156161 - 2² = 1464156157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1464156167) 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, 3312350 + ... + 3312791.

It is an arithmetic number, because the mean of its divisors is an integer number (208691973).

Almost surely, 2^1464156161 is an apocalyptic number.

It is an amenable number.

1464156161 is a deficient number, since it is larger than the sum of its proper divisors (205379623).

1464156161 is a wasteful number, since it uses less digits than its factorization.

1464156161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625171.

The product of its digits is 17280, while the sum is 35.

The square root of 1464156161 is about 38264.2935515606. The cubic root of 1464156161 is about 1135.5226456953.

The spelling of 1464156161 in words is "one billion, four hundred sixty-four million, one hundred fifty-six thousand, one hundred sixty-one".