2052157646 has 16 divisors (see below), whose sum is σ = 3837801600. Its totient is φ = 799541880.

The previous prime is 2052157637. The next prime is 2052157649. The reversal of 2052157646 is 6467512502.

It is a super-2 number, since 2×2052157646² = 8422702008072522632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052157649) 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, 6662696 + ... + 6663003.

It is an arithmetic number, because the mean of its divisors is an integer number (239862600).

Almost surely, 2^2052157646 is an apocalyptic number.

2052157646 is a deficient number, since it is larger than the sum of its proper divisors (1785643954).

2052157646 is a wasteful number, since it uses less digits than its factorization.

2052157646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325719.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2052157646 is about 45300.7466384385. The cubic root of 2052157646 is about 1270.7796163849.

The spelling of 2052157646 in words is "two billion, fifty-two million, one hundred fifty-seven thousand, six hundred forty-six".