1968153115 has 8 divisors (see below), whose sum is σ = 2362021920. Its totient is φ = 1574363712.

The previous prime is 1968153091. The next prime is 1968153127. The reversal of 1968153115 is 5113518691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1968153115 - 2²¹ = 1966055963 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 86242 + ... + 106648.

It is an arithmetic number, because the mean of its divisors is an integer number (295252740).

Almost surely, 2^1968153115 is an apocalyptic number.

1968153115 is a deficient number, since it is larger than the sum of its proper divisors (393868805).

1968153115 is a wasteful number, since it uses less digits than its factorization.

1968153115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39701.

The product of its digits is 32400, while the sum is 40.

The square root of 1968153115 is about 44363.8717313987. The cubic root of 1968153115 is about 1253.1978100990.

The spelling of 1968153115 in words is "one billion, nine hundred sixty-eight million, one hundred fifty-three thousand, one hundred fifteen".