4620177661 has 8 divisors (see below), whose sum is σ = 5046861024. Its totient is φ = 4194605520.

The previous prime is 4620177649. The next prime is 4620177677. The reversal of 4620177661 is 1667710264.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4620177661 - 2¹³ = 4620169469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620177361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269095 + ... + 285748.

It is an arithmetic number, because the mean of its divisors is an integer number (630857628).

Almost surely, 2^4620177661 is an apocalyptic number.

It is an amenable number.

4620177661 is a deficient number, since it is larger than the sum of its proper divisors (426683363).

4620177661 is a wasteful number, since it uses less digits than its factorization.

4620177661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555611.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 4620177661 is about 67971.8887555731. Note that the first 3 decimals coincide. The cubic root of 4620177661 is about 1665.5316576593.

It can be divided in two parts, 4620 and 177661, that added together give a palindrome (182281).

The spelling of 4620177661 in words is "four billion, six hundred twenty million, one hundred seventy-seven thousand, six hundred sixty-one".