61198368 has 192 divisors, whose sum is σ = 212502528. Its totient is φ = 14929920.

The previous prime is 61198349. The next prime is 61198391. The reversal of 61198368 is 86389116.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125421 + ... + 125907.

It is an arithmetic number, because the mean of its divisors is an integer number (1106784).

Almost surely, 2^61198368 is an apocalyptic number.

61198368 is a gapful number since it is divisible by the number (68) 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 61198368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106251264).

61198368 is an abundant number, since it is smaller than the sum of its proper divisors (151304160).

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

61198368 is a wasteful number, since it uses less digits than its factorization.

61198368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 527 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 61198368 is about 7822.9385783093. The cubic root of 61198368 is about 394.0759642925.

The spelling of 61198368 in words is "sixty-one million, one hundred ninety-eight thousand, three hundred sixty-eight".