416721051 has 48 divisors (see below), whose sum is σ = 667634400. Its totient is φ = 255974400.

The previous prime is 416721037. The next prime is 416721079. The reversal of 416721051 is 150127614.

It is a happy number.

It is not a de Polignac number, because 416721051 - 2¹⁴ = 416704667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (416721031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4125901 + ... + 4126001.

It is an arithmetic number, because the mean of its divisors is an integer number (13909050).

Almost surely, 2^416721051 is an apocalyptic number.

416721051 is a deficient number, since it is larger than the sum of its proper divisors (250913349).

416721051 is a wasteful number, since it uses less digits than its factorization.

416721051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 416721051 is about 20413.7466183942. The cubic root of 416721051 is about 746.9332854404.

Adding to 416721051 its reverse (150127614), we get a palindrome (566848665).

The spelling of 416721051 in words is "four hundred sixteen million, seven hundred twenty-one thousand, fifty-one".