2158364600 has 48 divisors (see below), whose sum is σ = 5735086800. Its totient is φ = 740010240.

The previous prime is 2158364587. The next prime is 2158364627. The reversal of 2158364600 is 64638512.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 769445 + ... + 772244.

It is an arithmetic number, because the mean of its divisors is an integer number (119480975).

Almost surely, 2^2158364600 is an apocalyptic number.

2158364600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2158364600 is an abundant number, since it is smaller than the sum of its proper divisors (3576722200).

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

2158364600 is a wasteful number, since it uses less digits than its factorization.

2158364600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541712 (or 1541703 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2158364600 is about 46458.2027202947. The cubic root of 2158364600 is about 1292.3344943821.

The spelling of 2158364600 in words is "two billion, one hundred fifty-eight million, three hundred sixty-four thousand, six hundred".