61418628522 has 24 divisors (see below), whose sum is σ = 133654811940. Its totient is φ = 20383473600.

The previous prime is 61418628503. The next prime is 61418628559. The reversal of 61418628522 is 22582681416.

61418628522 is a `hidden beast` number, since 6 + 1 + 4 + 18 + 628 + 5 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61326064881 + 92563641 = 247641^2 + 9621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7445979 + ... + 7454222.

Almost surely, 2^61418628522 is an apocalyptic number.

61418628522 is an abundant number, since it is smaller than the sum of its proper divisors (72236183418).

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

61418628522 is a wasteful number, since it uses less digits than its factorization.

61418628522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14900438 (or 14900435 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The spelling of 61418628522 in words is "sixty-one billion, four hundred eighteen million, six hundred twenty-eight thousand, five hundred twenty-two".