10645220641642 has 8 divisors (see below), whose sum is σ = 15972302502432. Its totient is φ = 5321119807500.

The previous prime is 10645220641597. The next prime is 10645220641753. The reversal of 10645220641642 is 24614602254601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10645220641642² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745247734 + ... + 745262017.

It is an arithmetic number, because the mean of its divisors is an integer number (1996537812804).

Almost surely, 2^{10645220641642} is an apocalyptic number.

10645220641642 is a deficient number, since it is larger than the sum of its proper divisors (5327081860790).

10645220641642 is a wasteful number, since it uses less digits than its factorization.

10645220641642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490513324.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 10645220641642 in words is "ten trillion, six hundred forty-five billion, two hundred twenty million, six hundred forty-one thousand, six hundred forty-two".