654170616 has 96 divisors (see below), whose sum is σ = 1947207600. Its totient is φ = 196753920.

The previous prime is 654170599. The next prime is 654170617. The reversal of 654170616 is 616071456.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654170617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105490 + ... + 111518.

Almost surely, 2^654170616 is an apocalyptic number.

654170616 is a gapful number since it is divisible by the number (66) 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 654170616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973603800).

654170616 is an abundant number, since it is smaller than the sum of its proper divisors (1293036984).

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

654170616 is a wasteful number, since it uses less digits than its factorization.

654170616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6189 (or 6182 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 654170616 is about 25576.7592943281. The cubic root of 654170616 is about 868.0878495610.

654170616 divided by its sum of digits (36) gives a triangular number (18171406 = T₆₀₂₈).

The spelling of 654170616 in words is "six hundred fifty-four million, one hundred seventy thousand, six hundred sixteen".