76616051550 has 96 divisors (see below), whose sum is σ = 191449889280. Its totient is φ = 20276323200.

The previous prime is 76616051543. The next prime is 76616051581. The reversal of 76616051550 is 5515061667.

It is a super-2 number, since 2×76616051550² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16372111 + ... + 16376789.

It is an arithmetic number, because the mean of its divisors is an integer number (1994269680).

Almost surely, 2^76616051550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76616051550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95724944640).

76616051550 is an abundant number, since it is smaller than the sum of its proper divisors (114833837730).

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

76616051550 is a wasteful number, since it uses less digits than its factorization.

76616051550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 76616051550 in words is "seventy-six billion, six hundred sixteen million, fifty-one thousand, five hundred fifty".