166061516 has 6 divisors (see below), whose sum is σ = 290607660. Its totient is φ = 83030756.

The previous prime is 166061509. The next prime is 166061531. The reversal of 166061516 is 615160661.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20757686 + ... + 20757693.

It is an arithmetic number, because the mean of its divisors is an integer number (48434610).

Almost surely, 2^166061516 is an apocalyptic number.

It is an amenable number.

166061516 is a deficient number, since it is larger than the sum of its proper divisors (124546144).

166061516 is a wasteful number, since it uses less digits than its factorization.

166061516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41515383 (or 41515381 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 166061516 is about 12886.4857893842. The cubic root of 166061516 is about 549.6543459004.

The spelling of 166061516 in words is "one hundred sixty-six million, sixty-one thousand, five hundred sixteen".