164458448378200 has 24 divisors (see below), whose sum is σ = 382365892479780. Its totient is φ = 65783379351200.

The previous prime is 164458448378131. The next prime is 164458448378233. The reversal of 164458448378200 is 2873844854461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411146120746 + ... + 411146121145.

Almost surely, 2^{164458448378200} is an apocalyptic number.

164458448378200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164458448378200 is an abundant number, since it is smaller than the sum of its proper divisors (217907444101580).

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

164458448378200 is a wasteful number, since it uses less digits than its factorization.

164458448378200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822292241907 (or 822292241898 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 64.

The spelling of 164458448378200 in words is "one hundred sixty-four trillion, four hundred fifty-eight billion, four hundred forty-eight million, three hundred seventy-eight thousand, two hundred".