7661100516740 has 96 divisors (see below), whose sum is σ = 17604909100800. Its totient is φ = 2777284037120.

The previous prime is 7661100516739. The next prime is 7661100516757. The reversal of 7661100516740 is 476150011667.

It is a super-2 number, since 2×7661100516740² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 7661100516691 and 7661100516700.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315039062 + ... + 315063378.

It is an arithmetic number, because the mean of its divisors is an integer number (183384469800).

Almost surely, 2^{7661100516740} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7661100516740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8802454550400).

7661100516740 is an abundant number, since it is smaller than the sum of its proper divisors (9943808584060).

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

7661100516740 is a wasteful number, since it uses less digits than its factorization.

7661100516740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28685 (or 28683 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 7661100516740 in words is "seven trillion, six hundred sixty-one billion, one hundred million, five hundred sixteen thousand, seven hundred forty".