99614067840 has 768 divisors, whose sum is σ = 416431238400. Its totient is φ = 22434693120.

The previous prime is 99614067827. The next prime is 99614067893. The reversal of 99614067840 is 4876041699.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60116292 + ... + 60117948.

It is an arithmetic number, because the mean of its divisors is an integer number (542228175).

Almost surely, 2^99614067840 is an apocalyptic number.

99614067840 is a gapful number since it is divisible by the number (90) 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 99614067840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208215619200).

99614067840 is an abundant number, since it is smaller than the sum of its proper divisors (316817170560).

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

99614067840 is a wasteful number, since it uses less digits than its factorization.

99614067840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 99614067840 in words is "ninety-nine billion, six hundred fourteen million, sixty-seven thousand, eight hundred forty".