108167780446 has 16 divisors (see below), whose sum is σ = 177096090240. Its totient is φ = 49140987480.

The previous prime is 108167780443. The next prime is 108167780447. The reversal of 108167780446 is 644087761801.

It is a super-2 number, since 2×108167780446² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108167780393 and 108167780402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108167780443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266996 + ... + 1349671.

It is an arithmetic number, because the mean of its divisors is an integer number (11068505640).

Almost surely, 2^108167780446 is an apocalyptic number.

108167780446 is a deficient number, since it is larger than the sum of its proper divisors (68928309794).

108167780446 is a wasteful number, since it uses less digits than its factorization.

108167780446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618559.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 108167780446 in words is "one hundred eight billion, one hundred sixty-seven million, seven hundred eighty thousand, four hundred forty-six".