1611374601 has 8 divisors (see below), whose sum is σ = 2148816384. Its totient is φ = 1074091280.

The previous prime is 1611374593. The next prime is 1611374617. The reversal of 1611374601 is 1064731161.

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 1611374601 - 2³ = 1611374593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1611374621) 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, 13410 + ... + 58331.

It is an arithmetic number, because the mean of its divisors is an integer number (268602048).

Almost surely, 2^1611374601 is an apocalyptic number.

It is an amenable number.

1611374601 is a deficient number, since it is larger than the sum of its proper divisors (537441783).

1611374601 is an equidigital number, since it uses as much as digits as its factorization.

1611374601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79231.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1611374601 is about 40141.9307084251. The cubic root of 1611374601 is about 1172.3721810768.

The spelling of 1611374601 in words is "one billion, six hundred eleven million, three hundred seventy-four thousand, six hundred one".