5165421662 has 16 divisors (see below), whose sum is σ = 8165912400. Its totient is φ = 2443783680.

The previous prime is 5165421649. The next prime is 5165421671. The reversal of 5165421662 is 2661245615.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 51587 + ... + 113982.

It is an arithmetic number, because the mean of its divisors is an integer number (510369525).

Almost surely, 2^5165421662 is an apocalyptic number.

5165421662 is a deficient number, since it is larger than the sum of its proper divisors (3000490738).

5165421662 is a wasteful number, since it uses less digits than its factorization.

5165421662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166411.

The product of its digits is 86400, while the sum is 38.

The square root of 5165421662 is about 71870.8679647046. The cubic root of 5165421662 is about 1728.6295250658.

The spelling of 5165421662 in words is "five billion, one hundred sixty-five million, four hundred twenty-one thousand, six hundred sixty-two".