10650623400161 has 4 divisors (see below), whose sum is σ = 11277130659012. Its totient is φ = 10024116141312.

The previous prime is 10650623400113. The next prime is 10650623400239. The reversal of 10650623400161 is 16100432605601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9028107911761 + 1622515488400 = 3004681^2 + 1273780^2 .

It is a cyclic number.

It is not a de Polignac number, because 10650623400161 - 2³⁰ = 10649549658337 is a prime.

It is a super-2 number, since 2×10650623400161² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10650623420161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313253629400 + ... + 313253629433.

It is an arithmetic number, because the mean of its divisors is an integer number (2819282664753).

Almost surely, 2^{10650623400161} is an apocalyptic number.

It is an amenable number.

10650623400161 is a deficient number, since it is larger than the sum of its proper divisors (626507258851).

10650623400161 is an equidigital number, since it uses as much as digits as its factorization.

10650623400161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626507258850.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 10650623400161 in words is "ten trillion, six hundred fifty billion, six hundred twenty-three million, four hundred thousand, one hundred sixty-one".