61198948350 has 36 divisors (see below), whose sum is σ = 164421175776. Its totient is φ = 16319719440.

The previous prime is 61198948319. The next prime is 61198948361. The reversal of 61198948350 is 5384989116.

61198948350 is a `hidden beast` number, since 61 + 198 + 9 + 48 + 350 = 666.

It is a super-2 number, since 2×61198948350² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67998382 + ... + 67999281.

Almost surely, 2^61198948350 is an apocalyptic number.

61198948350 is an abundant number, since it is smaller than the sum of its proper divisors (103222227426).

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

61198948350 is a wasteful number, since it uses less digits than its factorization.

61198948350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135997681 (or 135997673 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 61198948350 in words is "sixty-one billion, one hundred ninety-eight million, nine hundred forty-eight thousand, three hundred fifty".