2072216571520 has 64 divisors (see below), whose sum is σ = 5214623968800. Its totient is φ = 785261011968.

The previous prime is 2072216571499. The next prime is 2072216571533. The reversal of 2072216571520 is 251756122702.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2072216571520² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85194114 + ... + 85218433.

Almost surely, 2^{2072216571520} is an apocalyptic number.

2072216571520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2072216571520 is an abundant number, since it is smaller than the sum of its proper divisors (3142407397280).

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

2072216571520 is a wasteful number, since it uses less digits than its factorization.

2072216571520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170412585 (or 170412573 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 2072216571520 in words is "two trillion, seventy-two billion, two hundred sixteen million, five hundred seventy-one thousand, five hundred twenty".