662457061 has 16 divisors (see below), whose sum is σ = 765734400. Its totient is φ = 561375360.

The previous prime is 662457053. The next prime is 662457067. The reversal of 662457061 is 160754266.

It is a happy number.

It is not a de Polignac number, because 662457061 - 2³ = 662457053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662457061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662457067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258615 + ... + 261163.

It is an arithmetic number, because the mean of its divisors is an integer number (47858400).

Almost surely, 2^662457061 is an apocalyptic number.

It is an amenable number.

662457061 is a deficient number, since it is larger than the sum of its proper divisors (103277339).

662457061 is a wasteful number, since it uses less digits than its factorization.

662457061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 662457061 is about 25738.2412180786. The cubic root of 662457061 is about 871.7378663333.

The spelling of 662457061 in words is "six hundred sixty-two million, four hundred fifty-seven thousand, sixty-one".