146718866437 has 24 divisors (see below), whose sum is σ = 173383774560. Its totient is φ = 123072655680.

The previous prime is 146718866383. The next prime is 146718866449. The reversal of 146718866437 is 734668817641.

It is not a de Polignac number, because 146718866437 - 2¹¹ = 146718864389 is a prime.

It is a super-4 number, since 4×146718866437⁴ (a number of 46 digits) contains 4444 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 (146718866237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5226523 + ... + 5254519.

It is an arithmetic number, because the mean of its divisors is an integer number (7224323940).

Almost surely, 2^146718866437 is an apocalyptic number.

It is an amenable number.

146718866437 is a deficient number, since it is larger than the sum of its proper divisors (26664908123).

146718866437 is a wasteful number, since it uses less digits than its factorization.

146718866437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30853 (or 30840 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The spelling of 146718866437 in words is "one hundred forty-six billion, seven hundred eighteen million, eight hundred sixty-six thousand, four hundred thirty-seven".