1061967554 has 16 divisors (see below), whose sum is σ = 1621137408. Its totient is φ = 521631792.

The previous prime is 1061967547. The next prime is 1061967607. The reversal of 1061967554 is 4557691601.

It is a super-2 number, since 2×1061967554² = 2255550171497485832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39359 + ... + 60605.

It is an arithmetic number, because the mean of its divisors is an integer number (101321088).

Almost surely, 2^1061967554 is an apocalyptic number.

1061967554 is a deficient number, since it is larger than the sum of its proper divisors (559169854).

1061967554 is a wasteful number, since it uses less digits than its factorization.

1061967554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21689.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 1061967554 is about 32587.8436537308. The cubic root of 1061967554 is about 1020.2432951610.

The spelling of 1061967554 in words is "one billion, sixty-one million, nine hundred sixty-seven thousand, five hundred fifty-four".