1620066096 has 150 divisors (see below), whose sum is σ = 5154459156. Its totient is φ = 490881600.

The previous prime is 1620066089. The next prime is 1620066101. The reversal of 1620066096 is 6906600261.

It is a happy number.

It is a super-2 number, since 2×1620066096² = 5249228310817362432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1620066096.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 151651 + ... + 161981.

Almost surely, 2^1620066096 is an apocalyptic number.

1620066096 is a gapful number since it is divisible by the number (16) 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 1620066096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577229578).

1620066096 is an abundant number, since it is smaller than the sum of its proper divisors (3534393060).

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

1620066096 is a wasteful number, since it uses less digits than its factorization.

1620066096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10373 (or 10347 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1620066096 is about 40250.0446707827. The cubic root of 1620066096 is about 1174.4762647934.

The spelling of 1620066096 in words is "one billion, six hundred twenty million, sixty-six thousand, ninety-six".