1798660601 has 4 divisors (see below), whose sum is σ = 1798840932. Its totient is φ = 1798480272.

The previous prime is 1798660597. The next prime is 1798660603. The reversal of 1798660601 is 1060668971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1060668971 = 103 ⋅10297757.

It can be written as a sum of positive squares in 2 ways, for example, as 71842576 + 1726818025 = 8476^2 + 41555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1798660601 - 2² = 1798660597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1798660603) 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, 74270 + ... + 95463.

It is an arithmetic number, because the mean of its divisors is an integer number (449710233).

Almost surely, 2^1798660601 is an apocalyptic number.

It is an amenable number.

1798660601 is a deficient number, since it is larger than the sum of its proper divisors (180331).

1798660601 is a wasteful number, since it uses less digits than its factorization.

1798660601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180330.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1798660601 is about 42410.6189650658. The cubic root of 1798660601 is about 1216.1386021985.

It can be divided in two parts, 17986 and 60601, that added together give a palindrome (78587).

The spelling of 1798660601 in words is "one billion, seven hundred ninety-eight million, six hundred sixty thousand, six hundred one".