61482570534 has 128 divisors (see below), whose sum is σ = 170973020160. Its totient is φ = 15910279200.

The previous prime is 61482570521. The next prime is 61482570547. The reversal of 61482570534 is 43507528416.

61482570534 is a `hidden beast` number, since 6 + 1 + 48 + 2 + 5 + 70 + 534 = 666.

It is an interprime number because it is at equal distance from previous prime (61482570521) and next prime (61482570547).

It is a self number, because there is not a number n which added to its sum of digits gives 61482570534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1099537 + ... + 1154099.

It is an arithmetic number, because the mean of its divisors is an integer number (1335726720).

Almost surely, 2^61482570534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61482570534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85486510080).

61482570534 is an abundant number, since it is smaller than the sum of its proper divisors (109490449626).

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

61482570534 is a wasteful number, since it uses less digits than its factorization.

61482570534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54863 (or 54857 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 61482570534 in words is "sixty-one billion, four hundred eighty-two million, five hundred seventy thousand, five hundred thirty-four".