164006652390 has 64 divisors (see below), whose sum is σ = 450527754240. Its totient is φ = 37430490240.

The previous prime is 164006652343. The next prime is 164006652451. The reversal of 164006652390 is 93256600461.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451950 + ... + 729569.

It is an arithmetic number, because the mean of its divisors is an integer number (7039496160).

Almost surely, 2^164006652390 is an apocalyptic number.

164006652390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164006652390 is an abundant number, since it is smaller than the sum of its proper divisors (286521101850).

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

164006652390 is a wasteful number, since it uses less digits than its factorization.

164006652390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182197.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 164006652390 in words is "one hundred sixty-four billion, six million, six hundred fifty-two thousand, three hundred ninety".