1612265366220 has 24 divisors (see below), whose sum is σ = 4514343025584. Its totient is φ = 429937430976.

The previous prime is 1612265366191. The next prime is 1612265366221. The reversal of 1612265366220 is 226635622161.

It is a super-2 number, since 2×1612265366220² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1612265366221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13435544659 + ... + 13435544778.

It is an arithmetic number, because the mean of its divisors is an integer number (188097626066).

Almost surely, 2^{1612265366220} is an apocalyptic number.

1612265366220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612265366220 is an abundant number, since it is smaller than the sum of its proper divisors (2902077659364).

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

1612265366220 is a wasteful number, since it uses less digits than its factorization.

1612265366220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26871089449 (or 26871089447 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1612265366220 in words is "one trillion, six hundred twelve billion, two hundred sixty-five million, three hundred sixty-six thousand, two hundred twenty".