1660652063 has 8 divisors (see below), whose sum is σ = 1898262528. Its totient is φ = 1423135224.

The previous prime is 1660652057. The next prime is 1660652083. The reversal of 1660652063 is 3602560661.

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

It is not a de Polignac number, because 1660652063 - 2⁴ = 1660652047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660652083) 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, 19970 + ... + 60992.

It is an arithmetic number, because the mean of its divisors is an integer number (237282816).

Almost surely, 2^1660652063 is an apocalyptic number.

1660652063 is a deficient number, since it is larger than the sum of its proper divisors (237610465).

1660652063 is an equidigital number, since it uses as much as digits as its factorization.

1660652063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46813.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1660652063 is about 40751.0989176979. The cubic root of 1660652063 is about 1184.2031621848.

The spelling of 1660652063 in words is "one billion, six hundred sixty million, six hundred fifty-two thousand, sixty-three".