164155514512 has 40 divisors (see below), whose sum is σ = 367374781152. Its totient is φ = 70226956800.

The previous prime is 164155514503. The next prime is 164155514521. The reversal of 164155514512 is 215415551461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (164155514503) and next prime (164155514521).

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, 27429414 + ... + 27435397.

Almost surely, 2^164155514512 is an apocalyptic number.

It is an amenable number.

164155514512 is an abundant number, since it is smaller than the sum of its proper divisors (203219266640).

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

164155514512 is a wasteful number, since it uses less digits than its factorization.

164155514512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54864847 (or 54864841 counting only the distinct ones).

The product of its digits is 120000, while the sum is 40.

The spelling of 164155514512 in words is "one hundred sixty-four billion, one hundred fifty-five million, five hundred fourteen thousand, five hundred twelve".