1051652161 has 24 divisors (see below), whose sum is σ = 1306286784. Its totient is φ = 842133600.

The previous prime is 1051652137. The next prime is 1051652179. The reversal of 1051652161 is 1612561501.

It is a happy number.

It is not a de Polignac number, because 1051652161 - 2²¹ = 1049555009 is a prime.

It is a super-2 number, since 2×1051652161² = 2211944535471939842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051652131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37611 + ... + 59311.

It is an arithmetic number, because the mean of its divisors is an integer number (54428616).

Almost surely, 2^1051652161 is an apocalyptic number.

It is an amenable number.

1051652161 is a deficient number, since it is larger than the sum of its proper divisors (254634623).

1051652161 is a wasteful number, since it uses less digits than its factorization.

1051652161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21781 (or 21774 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1051652161 is about 32429.1868692386. The cubic root of 1051652161 is about 1016.9291728247.

The spelling of 1051652161 in words is "one billion, fifty-one million, six hundred fifty-two thousand, one hundred sixty-one".