1660060651651 has 8 divisors (see below), whose sum is σ = 1674806925024. Its totient is φ = 1645315351680.

The previous prime is 1660060651649. The next prime is 1660060651703. The reversal of 1660060651651 is 1561560600661.

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 1660060651651 - 2¹ = 1660060651649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1660060651598 and 1660060651607.

It is not an unprimeable number, because it can be changed into a prime (1660063651651) 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, 3427410 + ... + 3881656.

It is an arithmetic number, because the mean of its divisors is an integer number (209350865628).

Almost surely, 2^{1660060651651} is an apocalyptic number.

1660060651651 is a deficient number, since it is larger than the sum of its proper divisors (14746273373).

1660060651651 is a wasteful number, since it uses less digits than its factorization.

1660060651651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486701.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 1660060651651 in words is "one trillion, six hundred sixty billion, sixty million, six hundred fifty-one thousand, six hundred fifty-one".