1617220617132 has 48 divisors (see below), whose sum is σ = 3827561209472. Its totient is φ = 531361710720.

The previous prime is 1617220617119. The next prime is 1617220617137. The reversal of 1617220617132 is 2317160227161.

It is not an unprimeable number, because it can be changed into a prime (1617220617137) 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, 857907 + ... + 1992597.

Almost surely, 2^{1617220617132} is an apocalyptic number.

1617220617132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1617220617132 is an abundant number, since it is smaller than the sum of its proper divisors (2210340592340).

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

1617220617132 is a wasteful number, since it uses less digits than its factorization.

1617220617132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136398 (or 1136396 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 1617220617132 in words is "one trillion, six hundred seventeen billion, two hundred twenty million, six hundred seventeen thousand, one hundred thirty-two".