168425474 has 16 divisors (see below), whose sum is σ = 289320000. Its totient is φ = 72034704.

The previous prime is 168425461. The next prime is 168425513. The reversal of 168425474 is 474524861.

168425474 = 2822² + 2823² + ... + 2842².

It is a super-3 number, since 3×168425474³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5069 + ... + 19040.

It is an arithmetic number, because the mean of its divisors is an integer number (18082500).

Almost surely, 2^168425474 is an apocalyptic number.

168425474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

168425474 is a deficient number, since it is larger than the sum of its proper divisors (120894526).

168425474 is a wasteful number, since it uses less digits than its factorization.

168425474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24617.

The product of its digits is 215040, while the sum is 41.

The square root of 168425474 is about 12977.8840340018. The cubic root of 168425474 is about 552.2502562837.

The spelling of 168425474 in words is "one hundred sixty-eight million, four hundred twenty-five thousand, four hundred seventy-four".