146330779090820 has 12 divisors (see below), whose sum is σ = 307294636090764. Its totient is φ = 58532311636320.

The previous prime is 146330779090757. The next prime is 146330779090829. The reversal of 146330779090820 is 28090977033641.

It can be written as a sum of positive squares in 2 ways, for example, as 28553718970624 + 117777060120196 = 5343568^2 + 10852514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 146330779090820.

It is not an unprimeable number, because it can be changed into a prime (146330779090829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658269477251 + ... + 3658269477290.

It is an arithmetic number, because the mean of its divisors is an integer number (25607886340897).

Almost surely, 2^{146330779090820} is an apocalyptic number.

146330779090820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146330779090820 is an abundant number, since it is smaller than the sum of its proper divisors (160963856999944).

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

146330779090820 is a wasteful number, since it uses less digits than its factorization.

146330779090820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316538954550 (or 7316538954548 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 146330779090820 in words is "one hundred forty-six trillion, three hundred thirty billion, seven hundred seventy-nine million, ninety thousand, eight hundred twenty".