146121665000 has 80 divisors (see below), whose sum is σ = 344827744800. Its totient is φ = 58027896000.

The previous prime is 146121664981. The next prime is 146121665017. The reversal of 146121665000 is 566121641.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 589877 + ... + 800123.

It is an arithmetic number, because the mean of its divisors is an integer number (4310346810).

Almost surely, 2^146121665000 is an apocalyptic number.

146121665000 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 146121665000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172413872400).

146121665000 is an abundant number, since it is smaller than the sum of its proper divisors (198706079800).

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

146121665000 is a wasteful number, since it uses less digits than its factorization.

146121665000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210412 (or 210393 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 146121665000 its reverse (566121641), we get a palindrome (146687786641).

The spelling of 146121665000 in words is "one hundred forty-six billion, one hundred twenty-one million, six hundred sixty-five thousand".