802161524 has 24 divisors (see below), whose sum is σ = 1550985408. Its totient is φ = 361074560.

The previous prime is 802161499. The next prime is 802161527. The reversal of 802161524 is 425161208.

It is a super-2 number, since 2×802161524² = 1286926221172005152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802161527) 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, 254882 + ... + 258009.

It is an arithmetic number, because the mean of its divisors is an integer number (64624392).

Almost surely, 2^802161524 is an apocalyptic number.

It is an amenable number.

802161524 is a deficient number, since it is larger than the sum of its proper divisors (748823884).

802161524 is a wasteful number, since it uses less digits than its factorization.

802161524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512935 (or 512933 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 802161524 is about 28322.4561787992. The cubic root of 802161524 is about 929.1530903238.

The spelling of 802161524 in words is "eight hundred two million, one hundred sixty-one thousand, five hundred twenty-four".