1660106650650 has 48 divisors (see below), whose sum is σ = 4705216567104. Its totient is φ = 379452948480.

The previous prime is 1660106650619. The next prime is 1660106650679. The reversal of 1660106650650 is 560566010661.

It is a super-2 number, since 2×1660106650650² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790525927 + ... + 790528026.

It is an arithmetic number, because the mean of its divisors is an integer number (98025345148).

Almost surely, 2^{1660106650650} is an apocalyptic number.

1660106650650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1660106650650 is an abundant number, since it is smaller than the sum of its proper divisors (3045109916454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1660106650650 is a wasteful number, since it uses less digits than its factorization.

1660106650650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581053975 (or 1581053970 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 1660106650650 in words is "one trillion, six hundred sixty billion, one hundred six million, six hundred fifty thousand, six hundred fifty".