106923661621 has 8 divisors (see below), whose sum is σ = 123670741824. Its totient is φ = 90544649280.

The previous prime is 106923661597. The next prime is 106923661631. The reversal of 106923661621 is 126166329601.

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 106923661621 - 2¹¹ = 106923659573 is a prime.

It is a super-2 number, since 2×106923661621² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106923661631) 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, 92016340 + ... + 92017501.

It is an arithmetic number, because the mean of its divisors is an integer number (15458842728).

Almost surely, 2^106923661621 is an apocalyptic number.

It is an amenable number.

106923661621 is a deficient number, since it is larger than the sum of its proper divisors (16747080203).

106923661621 is an equidigital number, since it uses as much as digits as its factorization.

106923661621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184033931.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 106923661621 in words is "one hundred six billion, nine hundred twenty-three million, six hundred sixty-one thousand, six hundred twenty-one".