2061622379520 has 1056 divisors, whose sum is σ = 8127638064000. Its totient is φ = 478606786560.

The previous prime is 2061622379477. The next prime is 2061622379591. The reversal of 2061622379520 is 259732261602.

2061622379520 is a `hidden beast` number, since 2 + 0 + 61 + 62 + 2 + 3 + 7 + 9 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2043232776 + ... + 2043233784.

Almost surely, 2^{2061622379520} is an apocalyptic number.

2061622379520 is a gapful number since it is divisible by the number (20) 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 2061622379520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4063819032000).

2061622379520 is an abundant number, since it is smaller than the sum of its proper divisors (6066015684480).

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

2061622379520 is a wasteful number, since it uses less digits than its factorization.

2061622379520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 2061622379520 in words is "two trillion, sixty-one billion, six hundred twenty-two million, three hundred seventy-nine thousand, five hundred twenty".