168448748923472 has 10 divisors (see below), whose sum is σ = 326369451039258. Its totient is φ = 84224374461728.

The previous prime is 168448748923453. The next prime is 168448748923501. The reversal of 168448748923472 is 274329847844861.

It can be written as a sum of positive squares in only one way, i.e., 168025265551936 + 423483371536 = 12962456^2 + 650756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 168448748923393 and 168448748923402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5264023403843 + ... + 5264023403874.

Almost surely, 2^{168448748923472} is an apocalyptic number.

It is an amenable number.

168448748923472 is a deficient number, since it is larger than the sum of its proper divisors (157920702115786).

168448748923472 is a wasteful number, since it uses less digits than its factorization.

168448748923472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528046807725 (or 10528046807719 counting only the distinct ones).

The product of its digits is 4161798144, while the sum is 77.

The spelling of 168448748923472 in words is "one hundred sixty-eight trillion, four hundred forty-eight billion, seven hundred forty-eight million, nine hundred twenty-three thousand, four hundred seventy-two".