64106161340 has 48 divisors (see below), whose sum is σ = 144999567552. Its totient is φ = 23666535936.

The previous prime is 64106161337. The next prime is 64106161349. The reversal of 64106161340 is 4316160146.

It is a super-2 number, since 2×64106161340² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64106161297 and 64106161306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64106161349) 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, 2414417 + ... + 2440823.

It is an arithmetic number, because the mean of its divisors is an integer number (3020824324).

Almost surely, 2^64106161340 is an apocalyptic number.

It is an amenable number.

64106161340 is an abundant number, since it is smaller than the sum of its proper divisors (80893406212).

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

64106161340 is a wasteful number, since it uses less digits than its factorization.

64106161340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35766 (or 35764 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 64106161340 in words is "sixty-four billion, one hundred six million, one hundred sixty-one thousand, three hundred forty".