116421408 has 96 divisors (see below), whose sum is σ = 342558720. Its totient is φ = 38465280.

The previous prime is 116421373. The next prime is 116421433. The reversal of 116421408 is 804124611.

It is a happy number.

116421408 is a `hidden beast` number, since 1 + 1 + 642 + 14 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109198 + ... + 110258.

It is an arithmetic number, because the mean of its divisors is an integer number (3568320).

Almost surely, 2^116421408 is an apocalyptic number.

116421408 is a gapful number since it is divisible by the number (18) 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 116421408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171279360).

116421408 is an abundant number, since it is smaller than the sum of its proper divisors (226137312).

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

116421408 is a wasteful number, since it uses less digits than its factorization.

116421408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 116421408 is about 10789.8752541445. The cubic root of 116421408 is about 488.2897589384.

The spelling of 116421408 in words is "one hundred sixteen million, four hundred twenty-one thousand, four hundred eight".