9151327998 has 224 divisors, whose sum is σ = 23117736960. Its totient is φ = 2702082240.

The previous prime is 9151327981. The next prime is 9151328003. The reversal of 9151327998 is 8997231519.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 33768603 + ... + 33768873.

Almost surely, 2^9151327998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9151327998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11558868480).

9151327998 is an abundant number, since it is smaller than the sum of its proper divisors (13966408962).

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

9151327998 is a wasteful number, since it uses less digits than its factorization.

9151327998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 371 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 9151327998 is about 95662.5736534409. The cubic root of 9151327998 is about 2091.6774151421.

The spelling of 9151327998 in words is "nine billion, one hundred fifty-one million, three hundred twenty-seven thousand, nine hundred ninety-eight".