22623021051661 has 8 divisors (see below), whose sum is σ = 22738155922944. Its totient is φ = 22507889182800.

The previous prime is 22623021051641. The next prime is 22623021051703. The reversal of 22623021051661 is 16615012032622.

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 22623021051661 - 2⁵ = 22623021051629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22623021051661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22623021051641) 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, 15219936 + ... + 16640086.

It is an arithmetic number, because the mean of its divisors is an integer number (2842269490368).

Almost surely, 2^{22623021051661} is an apocalyptic number.

It is an amenable number.

22623021051661 is a deficient number, since it is larger than the sum of its proper divisors (115134871283).

22623021051661 is a wasteful number, since it uses less digits than its factorization.

22623021051661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501211.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 22623021051661 in words is "twenty-two trillion, six hundred twenty-three billion, twenty-one million, fifty-one thousand, six hundred sixty-one".