1619787606960 has 160 divisors (see below), whose sum is σ = 5134173320448. Its totient is φ = 422295045120.

The previous prime is 1619787606911. The next prime is 1619787606961. The reversal of 1619787606960 is 696067879161.

It is a super-2 number, since 2×1619787606960² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1619787606891 and 1619787606900.

It is not an unprimeable number, because it can be changed into a prime (1619787606961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3374775 + ... + 3824745.

Almost surely, 2^{1619787606960} is an apocalyptic number.

1619787606960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1619787606960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2567086660224).

1619787606960 is an abundant number, since it is smaller than the sum of its proper divisors (3514385713488).

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

1619787606960 is a wasteful number, since it uses less digits than its factorization.

1619787606960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450323 (or 450317 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 1619787606960 in words is "one trillion, six hundred nineteen billion, seven hundred eighty-seven million, six hundred six thousand, nine hundred sixty".