164298913650 has 240 divisors, whose sum is σ = 470654474400. Its totient is φ = 42475933440.

The previous prime is 164298913573. The next prime is 164298913661. The reversal of 164298913650 is 56319892461.

164298913650 is a `hidden beast` number, since 1 + 6 + 429 + 89 + 136 + 5 + 0 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 17438641 + ... + 17448059.

It is an arithmetic number, because the mean of its divisors is an integer number (1961060310).

Almost surely, 2^164298913650 is an apocalyptic number.

164298913650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164298913650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235327237200).

164298913650 is an abundant number, since it is smaller than the sum of its proper divisors (306355560750).

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

164298913650 is a wasteful number, since it uses less digits than its factorization.

164298913650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575 (or 9561 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 164298913650 in words is "one hundred sixty-four billion, two hundred ninety-eight million, nine hundred thirteen thousand, six hundred fifty".