3477551616 has 560 divisors, whose sum is σ = 13095643968. Its totient is φ = 903260160.

The previous prime is 3477551579. The next prime is 3477551629. The reversal of 3477551616 is 6161557743.

3477551616 is a `hidden beast` number, since 34 + 7 + 7 + 551 + 61 + 6 = 666.

It is a super-2 number, since 2×3477551616² = 24186730483888422912, which 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 55 ways as a sum of consecutive naturals, for example, 316141051 + ... + 316141061.

Almost surely, 2^3477551616 is an apocalyptic number.

3477551616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3477551616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6547821984).

3477551616 is an abundant number, since it is smaller than the sum of its proper divisors (9618092352).

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

3477551616 is an frugal number, since it uses more digits than its factorization.

3477551616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 23 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 3477551616 is about 58970.7691657486. The cubic root of 3477551616 is about 1515.0414967557.

The spelling of 3477551616 in words is "three billion, four hundred seventy-seven million, five hundred fifty-one thousand, six hundred sixteen".