61622966048 has 54 divisors (see below), whose sum is σ = 141150111921. Its totient is φ = 26405629824.

The previous prime is 61622966023. The next prime is 61622966071. The reversal of 61622966048 is 84066922616.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 59491112464 + 2131853584 = 243908^2 + 46172^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=175532.

It is a junction number, because it is equal to n+sod(n) for n = 61622965987 and 61622966005.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9826658 + ... + 9832926.

Almost surely, 2^61622966048 is an apocalyptic number.

It is an amenable number.

61622966048 is an abundant number, since it is smaller than the sum of its proper divisors (79527145873).

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

61622966048 is an frugal number, since it uses more digits than its factorization.

61622966048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 6278 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

Multiplying 61622966048 by its sum of digits (50), we get a square (3081148302400 = 1755320²).

The spelling of 61622966048 in words is "sixty-one billion, six hundred twenty-two million, nine hundred sixty-six thousand, forty-eight".