61752215416 has 32 divisors (see below), whose sum is σ = 117075535200. Its totient is φ = 30532924800.

The previous prime is 61752215389. The next prime is 61752215417. The reversal of 61752215416 is 61451225716.

It is a super-3 number, since 3×61752215416³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61752215417) 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, 531366 + ... + 637066.

It is an arithmetic number, because the mean of its divisors is an integer number (3658610475).

Almost surely, 2^61752215416 is an apocalyptic number.

It is an amenable number.

61752215416 is a deficient number, since it is larger than the sum of its proper divisors (55323319784).

61752215416 is a wasteful number, since it uses less digits than its factorization.

61752215416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106519 (or 106515 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The spelling of 61752215416 in words is "sixty-one billion, seven hundred fifty-two million, two hundred fifteen thousand, four hundred sixteen".