167408254398 has 128 divisors (see below), whose sum is σ = 426022281216. Its totient is φ = 42595862400.

The previous prime is 167408254397. The next prime is 167408254427. The reversal of 167408254398 is 893452804761.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167408254397) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5133661 + ... + 5166167.

It is an arithmetic number, because the mean of its divisors is an integer number (3328299072).

It is a 1-persistent number, because it is pandigital, but 2⋅167408254398 = 334816508796 is not.

Almost surely, 2^167408254398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167408254398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213011140608).

167408254398 is an abundant number, since it is smaller than the sum of its proper divisors (258614026818).

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

167408254398 is a wasteful number, since it uses less digits than its factorization.

167408254398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32758.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 167408254398 in words is "one hundred sixty-seven billion, four hundred eight million, two hundred fifty-four thousand, three hundred ninety-eight".