1416620660 has 48 divisors (see below), whose sum is σ = 3661424256. Its totient is φ = 448336512.

The previous prime is 1416620651. The next prime is 1416620663. The reversal of 1416620660 is 660266141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416620663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387362 + ... + 391001.

It is an arithmetic number, because the mean of its divisors is an integer number (76279672).

Almost surely, 2^1416620660 is an apocalyptic number.

1416620660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1416620660 is an abundant number, since it is smaller than the sum of its proper divisors (2244803596).

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

1416620660 is a wasteful number, since it uses less digits than its factorization.

1416620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778392 (or 778390 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1416620660 is about 37638.0214676595. The cubic root of 1416620660 is about 1123.0985255527.

The spelling of 1416620660 in words is "one billion, four hundred sixteen million, six hundred twenty thousand, six hundred sixty".