1157164658 has 32 divisors (see below), whose sum is σ = 1927582272. Its totient is φ = 517608000.

The previous prime is 1157164639. The next prime is 1157164667. The reversal of 1157164658 is 8564617511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142508 + ... + 150408.

It is an arithmetic number, because the mean of its divisors is an integer number (60236946).

Almost surely, 2^1157164658 is an apocalyptic number.

1157164658 is a deficient number, since it is larger than the sum of its proper divisors (770417614).

1157164658 is a wasteful number, since it uses less digits than its factorization.

1157164658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8090.

The product of its digits is 201600, while the sum is 44.

The square root of 1157164658 is about 34017.1230118010. The cubic root of 1157164658 is about 1049.8608002922.

The spelling of 1157164658 in words is "one billion, one hundred fifty-seven million, one hundred sixty-four thousand, six hundred fifty-eight".