662168542 has 32 divisors (see below), whose sum is σ = 1193584320. Its totient is φ = 269498880.

The previous prime is 662168503. The next prime is 662168557. The reversal of 662168542 is 245861266.

It is a junction number, because it is equal to n+sod(n) for n = 662168495 and 662168504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11398 + ... + 38134.

It is an arithmetic number, because the mean of its divisors is an integer number (37299510).

Almost surely, 2^662168542 is an apocalyptic number.

662168542 is a deficient number, since it is larger than the sum of its proper divisors (531415778).

662168542 is a wasteful number, since it uses less digits than its factorization.

662168542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26836.

The product of its digits is 138240, while the sum is 40.

The square root of 662168542 is about 25732.6357375221. The cubic root of 662168542 is about 871.6112923636.

The spelling of 662168542 in words is "six hundred sixty-two million, one hundred sixty-eight thousand, five hundred forty-two".