100550964646 has 32 divisors (see below), whose sum is σ = 173810044800. Its totient is φ = 43146406080.

The previous prime is 100550964637. The next prime is 100550964649. The reversal of 100550964646 is 646469055001.

It is a super-2 number, since 2×100550964646² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100550964596 and 100550964605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100550964649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306711 + ... + 543298.

It is an arithmetic number, because the mean of its divisors is an integer number (5431563900).

Almost surely, 2^100550964646 is an apocalyptic number.

100550964646 is a deficient number, since it is larger than the sum of its proper divisors (73259080154).

100550964646 is a wasteful number, since it uses less digits than its factorization.

100550964646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850324.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 100550964646 in words is "one hundred billion, five hundred fifty million, nine hundred sixty-four thousand, six hundred forty-six".