1151634998 has 16 divisors (see below), whose sum is σ = 1733976720. Its totient is φ = 573648000.

The previous prime is 1151634997. The next prime is 1151635003. The reversal of 1151634998 is 8994361511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151634997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914093 + ... + 915351.

It is an arithmetic number, because the mean of its divisors is an integer number (108373545).

Almost surely, 2^1151634998 is an apocalyptic number.

1151634998 is a deficient number, since it is larger than the sum of its proper divisors (582341722).

1151634998 is a wasteful number, since it uses less digits than its factorization.

1151634998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623.

The product of its digits is 233280, while the sum is 47.

The square root of 1151634998 is about 33935.7480836949. The cubic root of 1151634998 is about 1048.1858311910.

The spelling of 1151634998 in words is "one billion, one hundred fifty-one million, six hundred thirty-four thousand, nine hundred ninety-eight".