164725143290 has 16 divisors (see below), whose sum is σ = 296545186080. Its totient is φ = 65881184400.

The previous prime is 164725143283. The next prime is 164725143307. The reversal of 164725143290 is 92341527461.

It is a super-2 number, since 2×164725143290² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030880 + ... + 1179899.

It is an arithmetic number, because the mean of its divisors is an integer number (18534074130).

Almost surely, 2^164725143290 is an apocalyptic number.

164725143290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164725143290 is a deficient number, since it is larger than the sum of its proper divisors (131820042790).

164725143290 is a wasteful number, since it uses less digits than its factorization.

164725143290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218237.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 164725143290 in words is "one hundred sixty-four billion, seven hundred twenty-five million, one hundred forty-three thousand, two hundred ninety".