1165151506 has 8 divisors (see below), whose sum is σ = 1748433024. Its totient is φ = 582340500.

The previous prime is 1165151483. The next prime is 1165151509. The reversal of 1165151506 is 6051515611.

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

It is not an unprimeable number, because it can be changed into a prime (1165151509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111370 + ... + 121381.

It is an arithmetic number, because the mean of its divisors is an integer number (218554128).

Almost surely, 2^1165151506 is an apocalyptic number.

1165151506 is a deficient number, since it is larger than the sum of its proper divisors (583281518).

1165151506 is a wasteful number, since it uses less digits than its factorization.

1165151506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235256.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1165151506 is about 34134.3156662031. The cubic root of 1165151506 is about 1052.2706736274.

The spelling of 1165151506 in words is "one billion, one hundred sixty-five million, one hundred fifty-one thousand, five hundred six".