149699799170208 has 3456 divisors, whose sum is σ = 591683090342400. Its totient is φ = 36457073049600.

The previous prime is 149699799170177. The next prime is 149699799170209. The reversal of 149699799170208 is 802071997996941.

149699799170208 is a `hidden beast` number, since 1 + 4 + 96 + 99 + 79 + 9 + 170 + 208 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (149699799170209) by changing a digit.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 1482176229358 + ... + 1482176229458.

It is an arithmetic number, because the mean of its divisors is an integer number (171204597900).

Almost surely, 2^{149699799170208} is an apocalyptic number.

149699799170208 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 149699799170208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295841545171200).

149699799170208 is an abundant number, since it is smaller than the sum of its proper divisors (441983291172192).

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

149699799170208 is a wasteful number, since it uses less digits than its factorization.

149699799170208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 1111065984, while the sum is 81.

The spelling of 149699799170208 in words is "one hundred forty-nine trillion, six hundred ninety-nine billion, seven hundred ninety-nine million, one hundred seventy thousand, two hundred eight".