61000001006 has 32 divisors (see below), whose sum is σ = 105642118080. Its totient is φ = 25877896800.

The previous prime is 61000000987. The next prime is 61000001021. The reversal of 61000001006 is 60010000016.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14422100 + ... + 14426328.

It is an arithmetic number, because the mean of its divisors is an integer number (3301316190).

Almost surely, 2^61000001006 is an apocalyptic number.

61000001006 is a deficient number, since it is larger than the sum of its proper divisors (44642117074).

61000001006 is an frugal number, since it uses more digits than its factorization.

61000001006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541 (or 4339 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The spelling of 61000001006 in words is "sixty-one billion, one thousand, six".