2150661022617 has 8 divisors (see below), whose sum is σ = 2934235193824. Its totient is φ = 1400430433248.

The previous prime is 2150661022583. The next prime is 2150661022621. The reversal of 2150661022617 is 7162201660512.

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

It is not a de Polignac number, because 2150661022617 - 2¹² = 2150661018521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150661022667) 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, 8335895308 + ... + 8335895565.

It is an arithmetic number, because the mean of its divisors is an integer number (366779399228).

Almost surely, 2^{2150661022617} is an apocalyptic number.

It is an amenable number.

2150661022617 is a deficient number, since it is larger than the sum of its proper divisors (783574171207).

2150661022617 is a wasteful number, since it uses less digits than its factorization.

2150661022617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16671790919.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 2150661022617 in words is "two trillion, one hundred fifty billion, six hundred sixty-one million, twenty-two thousand, six hundred seventeen".