10642561605446 has 8 divisors (see below), whose sum is σ = 16657922512944. Its totient is φ = 5089920767800.

The previous prime is 10642561605419. The next prime is 10642561605451. The reversal of 10642561605446 is 64450616524601.

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

It is a super-2 number, since 2×10642561605446² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10642561605394 and 10642561605403.

It is a congruent number.

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, 115680017405 + ... + 115680017496.

It is an arithmetic number, because the mean of its divisors is an integer number (2082240314118).

Almost surely, 2^{10642561605446} is an apocalyptic number.

10642561605446 is a deficient number, since it is larger than the sum of its proper divisors (6015360907498).

10642561605446 is a wasteful number, since it uses less digits than its factorization.

10642561605446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231360034926.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 10642561605446 in words is "ten trillion, six hundred forty-two billion, five hundred sixty-one million, six hundred five thousand, four hundred forty-six".