167130978 has 64 divisors (see below), whose sum is σ = 409743360. Its totient is φ = 44358912.

The previous prime is 167130937. The next prime is 167130983. The reversal of 167130978 is 879031761.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54925 + ... + 57887.

It is an arithmetic number, because the mean of its divisors is an integer number (6402240).

Almost surely, 2^167130978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167130978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204871680).

167130978 is an abundant number, since it is smaller than the sum of its proper divisors (242612382).

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

167130978 is a wasteful number, since it uses less digits than its factorization.

167130978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 167130978 is about 12927.9146810303. The cubic root of 167130978 is about 550.8317750660.

The spelling of 167130978 in words is "one hundred sixty-seven million, one hundred thirty thousand, nine hundred seventy-eight".