1653156000 has 192 divisors, whose sum is σ = 6017880960. Its totient is φ = 440812800.

The previous prime is 1653155989. The next prime is 1653156031. The reversal of 1653156000 is 6513561.

It is a happy number.

1653156000 is a `hidden beast` number, since 1 + 6 + 53 + 1 + 5 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100347 + ... + 115653.

It is an arithmetic number, because the mean of its divisors is an integer number (31343130).

Almost surely, 2^1653156000 is an apocalyptic number.

1653156000 is a gapful number since it is divisible by the number (10) 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 1653156000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3008940480).

1653156000 is an abundant number, since it is smaller than the sum of its proper divisors (4364724960).

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

1653156000 is a wasteful number, since it uses less digits than its factorization.

1653156000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15341 (or 15317 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1653156000 is about 40659.0211392257. The cubic root of 1653156000 is about 1182.4186720628.

Adding to 1653156000 its reverse (6513561), we get a palindrome (1659669561).

The spelling of 1653156000 in words is "one billion, six hundred fifty-three million, one hundred fifty-six thousand".