1660422663616 has 28 divisors (see below), whose sum is σ = 3298746024288. Its totient is φ = 829242563072.

The previous prime is 1660422663611. The next prime is 1660422663637. The reversal of 1660422663616 is 6163662240661.

It is a super-3 number, since 3×1660422663616³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1660422663616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660422663611) 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, 15081736 + ... + 15191431.

Almost surely, 2^{1660422663616} is an apocalyptic number.

1660422663616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1660422663616 is a deficient number, since it is larger than the sum of its proper divisors (1638323360672).

1660422663616 is an equidigital number, since it uses as much as digits as its factorization.

1660422663616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30274036 (or 30274026 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 1660422663616 in words is "one trillion, six hundred sixty billion, four hundred twenty-two million, six hundred sixty-three thousand, six hundred sixteen".