164140521061 has 16 divisors (see below), whose sum is σ = 180186048000. Its totient is φ = 148284140400.

The previous prime is 164140521059. The next prime is 164140521109. The reversal of 164140521061 is 160125041461.

164140521061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164140521061 - 2¹ = 164140521059 is a prime.

It is a super-2 number, since 2×164140521061² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164140522061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729050 + ... + 1821508.

It is an arithmetic number, because the mean of its divisors is an integer number (11261628000).

Almost surely, 2^164140521061 is an apocalyptic number.

164140521061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164140521061 is a deficient number, since it is larger than the sum of its proper divisors (16045526939).

164140521061 is a wasteful number, since it uses less digits than its factorization.

164140521061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93480.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 164140521061 in words is "one hundred sixty-four billion, one hundred forty million, five hundred twenty-one thousand, sixty-one".