22610311661 has 8 divisors (see below), whose sum is σ = 27360377280. Its totient is φ = 18240251328.

The previous prime is 22610311649. The next prime is 22610311663. The reversal of 22610311661 is 16611301622.

It is a happy number.

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 22610311661 - 2⁶ = 22610311597 is a prime.

It is a super-2 number, since 2×22610311661² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22610311663) 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, 95001191 + ... + 95001428.

It is an arithmetic number, because the mean of its divisors is an integer number (3420047160).

Almost surely, 2^22610311661 is an apocalyptic number.

It is an amenable number.

22610311661 is a deficient number, since it is larger than the sum of its proper divisors (4750065619).

22610311661 is a wasteful number, since it uses less digits than its factorization.

22610311661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190002643.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 22610311661 in words is "twenty-two billion, six hundred ten million, three hundred eleven thousand, six hundred sixty-one".