1051666432 has 24 divisors (see below), whose sum is σ = 2102823450. Its totient is φ = 525832192.

The previous prime is 1051666409. The next prime is 1051666463. The reversal of 1051666432 is 2346661501.

It can be written as a sum of positive squares in only one way, i.e., 666878976 + 384787456 = 25824^2 + 19616^2 .

It is a super-2 number, since 2×1051666432² = 2212004568391221248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254707 + ... + 258802.

Almost surely, 2^1051666432 is an apocalyptic number.

It is an amenable number.

1051666432 is a deficient number, since it is larger than the sum of its proper divisors (1051157018).

1051666432 is an frugal number, since it uses more digits than its factorization.

1051666432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513531 (or 513511 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1051666432 is about 32429.4069017612. The cubic root of 1051666432 is about 1016.9337727394.

The spelling of 1051666432 in words is "one billion, fifty-one million, six hundred sixty-six thousand, four hundred thirty-two".