2161056701 has 8 divisors (see below), whose sum is σ = 2277345024. Its totient is φ = 2046629200.

The previous prime is 2161056697. The next prime is 2161056721. The reversal of 2161056701 is 1076501612.

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 2161056701 - 2² = 2161056697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161056721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 462821 + ... + 467466.

It is an arithmetic number, because the mean of its divisors is an integer number (284668128).

Almost surely, 2^2161056701 is an apocalyptic number.

It is an amenable number.

2161056701 is a deficient number, since it is larger than the sum of its proper divisors (116288323).

2161056701 is a wasteful number, since it uses less digits than its factorization.

2161056701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930411.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2161056701 is about 46487.1670571568. The cubic root of 2161056701 is about 1292.8715753289.

The spelling of 2161056701 in words is "two billion, one hundred sixty-one million, fifty-six thousand, seven hundred one".