168522940746 has 64 divisors (see below), whose sum is σ = 377430485760. Its totient is φ = 55734497280.

The previous prime is 168522940741. The next prime is 168522940757. The reversal of 168522940746 is 647049225861.

168522940746 is a `hidden beast` number, since 1 + 6 + 8 + 5 + 229 + 407 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 168522940692 and 168522940701.

It is not an unprimeable number, because it can be changed into a prime (168522940741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17091850 + ... + 17101706.

It is an arithmetic number, because the mean of its divisors is an integer number (5897351340).

Almost surely, 2^168522940746 is an apocalyptic number.

168522940746 is an abundant number, since it is smaller than the sum of its proper divisors (208907545014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168522940746 is a wasteful number, since it uses less digits than its factorization.

168522940746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316 (or 12310 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 168522940746 in words is "one hundred sixty-eight billion, five hundred twenty-two million, nine hundred forty thousand, seven hundred forty-six".