1151666601 has 8 divisors (see below), whose sum is σ = 1541531424. Its totient is φ = 764789760.

The previous prime is 1151666561. The next prime is 1151666609. The reversal of 1151666601 is 1066661511.

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

It is not a de Polignac number, because 1151666601 - 2²⁵ = 1118112169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1151666609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746095 + ... + 747636.

It is an arithmetic number, because the mean of its divisors is an integer number (192691428).

Almost surely, 2^1151666601 is an apocalyptic number.

It is an amenable number.

1151666601 is a deficient number, since it is larger than the sum of its proper divisors (389864823).

1151666601 is a wasteful number, since it uses less digits than its factorization.

1151666601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493991.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1151666601 is about 33936.2137104303. The cubic root of 1151666601 is about 1048.1954191576.

The spelling of 1151666601 in words is "one billion, one hundred fifty-one million, six hundred sixty-six thousand, six hundred one".