167291206740 has 1296 divisors, whose sum is σ = 685330341696. Its totient is φ = 34017822720.

The previous prime is 167291206699. The next prime is 167291206801. The reversal of 167291206740 is 47602192761.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 3890493159 + ... + 3890493201.

It is an arithmetic number, because the mean of its divisors is an integer number (528804276).

Almost surely, 2^167291206740 is an apocalyptic number.

167291206740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167291206740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342665170848).

167291206740 is an abundant number, since it is smaller than the sum of its proper divisors (518039134956).

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

167291206740 is a wasteful number, since it uses less digits than its factorization.

167291206740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 167291206740 in words is "one hundred sixty-seven billion, two hundred ninety-one million, two hundred six thousand, seven hundred forty".