97211066154 has 16 divisors (see below), whose sum is σ = 194610720960. Its totient is φ = 32372257280.

The previous prime is 97211066143. The next prime is 97211066207. The reversal of 97211066154 is 45166011279.

It is a Curzon 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, 7851159 + ... + 7863530.

It is an arithmetic number, because the mean of its divisors is an integer number (12163170060).

Almost surely, 2^97211066154 is an apocalyptic number.

97211066154 is an abundant number, since it is smaller than the sum of its proper divisors (97399654806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97211066154 is a wasteful number, since it uses less digits than its factorization.

97211066154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715725.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 97211066154 in words is "ninety-seven billion, two hundred eleven million, sixty-six thousand, one hundred fifty-four".