1061071672 has 8 divisors (see below), whose sum is σ = 1989509400. Its totient is φ = 530535832.

The previous prime is 1061071657. The next prime is 1061071703. The reversal of 1061071672 is 2761701601.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1061071672² = 2251746186241751168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66316972 + ... + 66316987.

It is an arithmetic number, because the mean of its divisors is an integer number (248688675).

Almost surely, 2^1061071672 is an apocalyptic number.

It is an amenable number.

1061071672 is a deficient number, since it is larger than the sum of its proper divisors (928437728).

1061071672 is a wasteful number, since it uses less digits than its factorization.

1061071672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132633965 (or 132633961 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 1061071672 is about 32574.0951063878. The cubic root of 1061071672 is about 1019.9563200570.

The spelling of 1061071672 in words is "one billion, sixty-one million, seventy-one thousand, six hundred seventy-two".