377640550168 has 64 divisors (see below), whose sum is σ = 828835096320. Its totient is φ = 157932028800.

The previous prime is 377640550163. The next prime is 377640550229. The reversal of 377640550168 is 861055046773.

It is a happy number.

It is a super-2 number, since 2×377640550168² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377640550163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2480983 + ... + 2628793.

It is an arithmetic number, because the mean of its divisors is an integer number (12950548380).

Almost surely, 2^377640550168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 377640550168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414417548160).

377640550168 is an abundant number, since it is smaller than the sum of its proper divisors (451194546152).

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

377640550168 is a wasteful number, since it uses less digits than its factorization.

377640550168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148928 (or 148924 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 377640550168 in words is "three hundred seventy-seven billion, six hundred forty million, five hundred fifty thousand, one hundred sixty-eight".