1066607954 has 16 divisors (see below), whose sum is σ = 1650964416. Its totient is φ = 516423600.

The previous prime is 1066607953. The next prime is 1066608001. The reversal of 1066607954 is 4597066601.

It is a happy number.

It is a super-2 number, since 2×1066607954² = 2275305055072132232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066607953) 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, 18542 + ... + 49769.

It is an arithmetic number, because the mean of its divisors is an integer number (103185276).

Almost surely, 2^1066607954 is an apocalyptic number.

1066607954 is a deficient number, since it is larger than the sum of its proper divisors (584356462).

1066607954 is a wasteful number, since it uses less digits than its factorization.

1066607954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68561.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1066607954 is about 32658.9643742725. The cubic root of 1066607954 is about 1021.7271628182.

The spelling of 1066607954 in words is "one billion, sixty-six million, six hundred seven thousand, nine hundred fifty-four".