420106165107736 has 64 divisors (see below), whose sum is σ = 849387675276000. Its totient is φ = 194142357181440.

The previous prime is 420106165107697. The next prime is 420106165107749. The reversal of 420106165107736 is 637701561601024.

It is a happy number.

It is a super-3 number, since 3×420106165107736³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420106165107736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966172650 + ... + 966607366.

Almost surely, 2^{420106165107736} is an apocalyptic number.

It is an amenable number.

420106165107736 is an abundant number, since it is smaller than the sum of its proper divisors (429281510168264).

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

420106165107736 is a wasteful number, since it uses less digits than its factorization.

420106165107736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589852 (or 589848 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 420106165107736 in words is "four hundred twenty trillion, one hundred six billion, one hundred sixty-five million, one hundred seven thousand, seven hundred thirty-six".