1612801153220 has 72 divisors (see below), whose sum is σ = 3409523155584. Its totient is φ = 640833522112.

The previous prime is 1612801153211. The next prime is 1612801153273. The reversal of 1612801153220 is 223511082161.

It is a super-2 number, since 2×1612801153220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533508629 + ... + 533511651.

It is an arithmetic number, because the mean of its divisors is an integer number (47354488272).

Almost surely, 2^{1612801153220} is an apocalyptic number.

1612801153220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612801153220 is an abundant number, since it is smaller than the sum of its proper divisors (1796722002364).

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

1612801153220 is a wasteful number, since it uses less digits than its factorization.

1612801153220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 1612801153220 in words is "one trillion, six hundred twelve billion, eight hundred one million, one hundred fifty-three thousand, two hundred twenty".