536166640 has 40 divisors (see below), whose sum is σ = 1258044480. Its totient is φ = 212495616.

The previous prime is 536166583. The next prime is 536166641. The reversal of 536166640 is 46661635.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 536166640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536166641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22024 + ... + 39463.

It is an arithmetic number, because the mean of its divisors is an integer number (31451112).

Almost surely, 2^536166640 is an apocalyptic number.

It is an amenable number.

536166640 is an abundant number, since it is smaller than the sum of its proper divisors (721877840).

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

536166640 is a wasteful number, since it uses less digits than its factorization.

536166640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61609 (or 61603 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 536166640 is about 23155.2724017663. The cubic root of 536166640 is about 812.3937925080.

The spelling of 536166640 in words is "five hundred thirty-six million, one hundred sixty-six thousand, six hundred forty".