1651057120 has 24 divisors (see below), whose sum is σ = 3900622824. Its totient is φ = 660422784.

The previous prime is 1651057099. The next prime is 1651057127. The reversal of 1651057120 is 217501561.

It is a super-2 number, since 2×1651057120² = 5451979227005388800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651057127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5159394 + ... + 5159713.

It is an arithmetic number, because the mean of its divisors is an integer number (162525951).

Almost surely, 2^1651057120 is an apocalyptic number.

1651057120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1651057120 is an abundant number, since it is smaller than the sum of its proper divisors (2249565704).

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

1651057120 is a wasteful number, since it uses less digits than its factorization.

1651057120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319122 (or 10319114 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1651057120 is about 40633.2021873738. The cubic root of 1651057120 is about 1181.9180526538.

Adding to 1651057120 its reverse (217501561), we get a palindrome (1868558681).

It can be divided in two parts, 165105 and 7120, that added together give a square (172225 = 415²).

The spelling of 1651057120 in words is "one billion, six hundred fifty-one million, fifty-seven thousand, one hundred twenty".