167612420 has 12 divisors (see below), whose sum is σ = 351986124. Its totient is φ = 67044960.

The previous prime is 167612413. The next prime is 167612491. The reversal of 167612420 is 24216761.

It can be written as a sum of positive squares in 2 ways, for example, as 103388224 + 64224196 = 10168^2 + 8014^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4190291 + ... + 4190330.

It is an arithmetic number, because the mean of its divisors is an integer number (29332177).

Almost surely, 2^167612420 is an apocalyptic number.

167612420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167612420 is an abundant number, since it is smaller than the sum of its proper divisors (184373704).

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

167612420 is a wasteful number, since it uses less digits than its factorization.

167612420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380630 (or 8380628 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 167612420 is about 12946.5215405529. The cubic root of 167612420 is about 551.3601816290.

The spelling of 167612420 in words is "one hundred sixty-seven million, six hundred twelve thousand, four hundred twenty".