6616051516 has 6 divisors (see below), whose sum is σ = 11578090160. Its totient is φ = 3308025756.

The previous prime is 6616051457. The next prime is 6616051529. The reversal of 6616051516 is 6151506166.

It is a super-4 number, since 4×6616051516⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827006436 + ... + 827006443.

Almost surely, 2^6616051516 is an apocalyptic number.

It is an amenable number.

6616051516 is a deficient number, since it is larger than the sum of its proper divisors (4962038644).

6616051516 is a wasteful number, since it uses less digits than its factorization.

6616051516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654012883 (or 1654012881 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6616051516 is about 81339.1143054804. The cubic root of 6616051516 is about 1877.2968844509.

The spelling of 6616051516 in words is "six billion, six hundred sixteen million, fifty-one thousand, five hundred sixteen".