164827199490 has 32 divisors (see below), whose sum is σ = 395596097856. Its totient is φ = 43952717760.

The previous prime is 164827199461. The next prime is 164827199543. The reversal of 164827199490 is 94991728461.

It is a Curzon number.

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, 1842129 + ... + 1929531.

It is an arithmetic number, because the mean of its divisors is an integer number (12362378058).

Almost surely, 2^164827199490 is an apocalyptic number.

164827199490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164827199490 is an abundant number, since it is smaller than the sum of its proper divisors (230768898366).

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

164827199490 is a wasteful number, since it uses less digits than its factorization.

164827199490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150274.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 164827199490 in words is "one hundred sixty-four billion, eight hundred twenty-seven million, one hundred ninety-nine thousand, four hundred ninety".