105457420661 has 8 divisors (see below), whose sum is σ = 106798433280. Its totient is φ = 104116560912.

The previous prime is 105457420643. The next prime is 105457420669. The reversal of 105457420661 is 166024754501.

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 105457420661 - 2⁶ = 105457420597 is a prime.

It is a super-2 number, since 2×105457420661² (a number of 23 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 (105457420669) 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, 2116511 + ... + 2165763.

It is an arithmetic number, because the mean of its divisors is an integer number (13349804160).

Almost surely, 2^105457420661 is an apocalyptic number.

It is an amenable number.

105457420661 is a deficient number, since it is larger than the sum of its proper divisors (1341012619).

105457420661 is an equidigital number, since it uses as much as digits as its factorization.

105457420661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76435.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 105457420661 in words is "one hundred five billion, four hundred fifty-seven million, four hundred twenty thousand, six hundred sixty-one".