167960401940 has 24 divisors (see below), whose sum is σ = 354089293992. Its totient is φ = 66922741760.

The previous prime is 167960401901. The next prime is 167960401991. The reversal of 167960401940 is 49104069761.

It can be written as a sum of positive squares in 4 ways, for example, as 42165336964 + 125795064976 = 205342^2 + 354676^2 .

It is a congruent number.

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, 16333421 + ... + 16343700.

It is an arithmetic number, because the mean of its divisors is an integer number (14753720583).

Almost surely, 2^167960401940 is an apocalyptic number.

167960401940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167960401940 is an abundant number, since it is smaller than the sum of its proper divisors (186128892052).

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

167960401940 is a wasteful number, since it uses less digits than its factorization.

167960401940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32677387 (or 32677385 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 167960401940 in words is "one hundred sixty-seven billion, nine hundred sixty million, four hundred one thousand, nine hundred forty".