100661471740454 has 16 divisors (see below), whose sum is σ = 160512821020080. Its totient is φ = 47209653237600.

The previous prime is 100661471740429. The next prime is 100661471740463. The reversal of 100661471740454 is 454047174166001.

It is a happy number.

It is a super-2 number, since 2×100661471740454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13113788729 + ... + 13113796404.

It is an arithmetic number, because the mean of its divisors is an integer number (10032051313755).

Almost surely, 2^{100661471740454} is an apocalyptic number.

100661471740454 is a deficient number, since it is larger than the sum of its proper divisors (59851349279626).

100661471740454 is a wasteful number, since it uses less digits than its factorization.

100661471740454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26227585255.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 100661471740454 in words is "one hundred trillion, six hundred sixty-one billion, four hundred seventy-one million, seven hundred forty thousand, four hundred fifty-four".